MTP2.0_CSharp/Muchinfo.MTPClient/Fx4.0/Main/03.UI/Muchinfo.TASClient/Themes/ControlStyle/ComboBoxStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Classic"
                    xmlns:resource="clr-namespace:Muchinfo.MTPClient.Resources;assembly=Client.Resources">
    <BorderGapMaskConverter x:Key="BorderGapMaskConverter" />

    <Style x:Key="SimpleScrollViewer"
           BasedOn="{x:Null}"
           TargetType="{x:Type ScrollViewer}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Grid Background="{TemplateBinding Background}">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="Auto" />
                        </Grid.ColumnDefinitions>
                        <Grid.RowDefinitions>
                            <RowDefinition Height="*" />
                            <RowDefinition Height="Auto" />
                        </Grid.RowDefinitions>
                        <ScrollContentPresenter Grid.Row="0"
                                                Grid.Column="0"
                                                Margin="{TemplateBinding Padding}"
                                                CanContentScroll="{TemplateBinding CanContentScroll}"
                                                Content="{TemplateBinding Content}"
                                                ContentTemplate="{TemplateBinding ContentTemplate}" />

                        <!--  ScrollBars 的可见性通过控件的实现来控制  -->
                        <ScrollBar x:Name="PART_HorizontalScrollBar"
                                   Grid.Row="1"
                                   Grid.Column="0"
                                   Maximum="{TemplateBinding ScrollableWidth}"
                                   Minimum="0"
                                   Orientation="Horizontal"
                                   Style="{DynamicResource SimpleScrollBar}"
                                   ViewportSize="{TemplateBinding ViewportWidth}"
                                   Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}"
                                   Value="{Binding HorizontalOffset,
                                                   Mode=OneWay,
                                                   RelativeSource={RelativeSource TemplatedParent}}" />
                        <ScrollBar x:Name="PART_VerticalScrollBar"
                                   Grid.Row="0"
                                   Grid.Column="1"
                                   Maximum="{TemplateBinding ScrollableHeight}"
                                   Minimum="0"
                                   Orientation="Vertical"
                                   Style="{DynamicResource SimpleScrollBar}"
                                   ViewportSize="{TemplateBinding ViewportHeight}"
                                   Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                                   Value="{Binding VerticalOffset,
                                                   Mode=OneWay,
                                                   RelativeSource={RelativeSource TemplatedParent}}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <ControlTemplate x:Key="ComboBoxTextBox" TargetType="{x:Type TextBox}">
        <!--  必须将其命名为 PART_ContentHost  -->
        <Border x:Name="PART_ContentHost"
                Background="{TemplateBinding Background}"
                Focusable="False" />
    </ControlTemplate>

    <Style x:Key="ArrowComboBoxToggleButton"
           BasedOn="{x:Null}"
           TargetType="{x:Type ToggleButton}">
        <Setter Property="Background" Value="{DynamicResource ContentBackground}" />
        <Setter Property="BorderBrush" Value="{DynamicResource CommonBorderBrush}" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ToggleButton}">
                    <Border Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition />
                                <ColumnDefinition Width="20" />
                            </Grid.ColumnDefinitions>
                            <Path x:Name="Rectangle"
                                  Grid.Column="1"
                                  Width="20"
                                  Data="F1M4,2C4,2 148,2 148,2 149.105,2 150,2.895 150,4 150,4 150,22 150,22 150,23.105 149.105,24 148,24 148,24 4,24 4,24 2.895,24 2,23.105 2,22 2,22 2,4 2,4 2,2.895 2.895,2 4,2z"
                                  Fill="{DynamicResource ContentBackground}"
                                  Stretch="Fill" />
                            <Border Grid.Column="1"
                                    BorderBrush="{TemplateBinding BorderBrush}"
                                    BorderThickness="{TemplateBinding BorderThickness}">
                                <Path x:Name="Arrow"
                                      Width="11"
                                      Height="7"
                                      Data="F1M5.5,5.999C5.5,5.999 1.001,1 1.001,1 1.001,1 9.999,1 9.999,1 9.999,1 5.5,5.999 5.5,5.999"
                                      Fill="#FF7A7A7A"
                                      Stroke="{TemplateBinding BorderBrush}" />
                            </Border>
                        </Grid>
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsChecked" Value="true">
                            <Setter TargetName="Rectangle" Property="Fill" Value="{DynamicResource SelectedBackBrush}" />
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter TargetName="Rectangle" Property="Fill" Value="{DynamicResource SelectedBackBrush}" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <!--
                                <Setter TargetName="Rectangle" Property="Fill" Value="#FF7A7A7A" />
                                <Setter TargetName="Rectangle" Property="Stroke" Value="#FF7A7A7A" />
                            -->

                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!--  Simple ComboBoxItem - 它用于 ComboBox 中的每个项。可以更改下面每个项的选定颜色  -->
    <Style x:Key="SimpleComboBoxItem" TargetType="{x:Type ComboBoxItem}">
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBoxItem}">
                    <Grid SnapsToDevicePixels="true">
                        <Border x:Name="Border"
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}" />
                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                    </Grid>
                    <ControlTemplate.Triggers>
                        <!--  更改 IsHighlighted SelectedBackgroundBrush，以设置各项的选择颜色  -->
                        <Trigger Property="IsHighlighted" Value="true">
                            <Setter TargetName="Border" Property="Background" Value="{DynamicResource SelectedBackgroundBrush}" />
                        </Trigger>

                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="{DynamicResource DisabledForegroundBrush}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!--
        Simple ComboBox
        它使用 ComboBoxToggleButton 来展开和折叠 Popup 控件
        使用 SimpleScrollViewer 可使项滚动，而使用 SimpleComboBoxItem 可定义每个项的外观
        Popup 显示了 StackPanel 中的项的列表
    -->
    <Style x:Key="FocusVisual">
        <Setter Property="Control.Template">
            <Setter.Value>
                <ControlTemplate>
                    <Border>
                        <Rectangle Margin="2"
                                   SnapsToDevicePixels="true"
                                   Stroke="{DynamicResource FocusVisualBrush}"
                                   StrokeThickness="1" />
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="SimpleComboBoxStyle" TargetType="{x:Type ComboBox}">
        <Setter Property="Height" Value="24" />
        <Setter Property="Foreground" Value="{DynamicResource ContentForeGround}" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="BorderBrush" Value="{DynamicResource CommonBorderBrush}" />
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="FocusVisualStyle" Value="{DynamicResource FocusVisual}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBox}">
                    <Grid>
                        <Rectangle Name="OutSideBorder"
                                   HorizontalAlignment="Stretch"
                                   VerticalAlignment="Stretch"
                                   SnapsToDevicePixels="true"
                                   Stroke="{DynamicResource FocusVisualBrush}"
                                   StrokeDashArray="1,2"
                                   StrokeThickness="1"
                                   Visibility="Collapsed" />
                        <Border Margin="1"
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="2">
                            <Grid>
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition />
                                    <ColumnDefinition Width="20" />
                                </Grid.ColumnDefinitions>
                                <!--  ToggleButton 已数据绑定到 ComboBox 本身以切换 IsDropDownOpen  -->
                                <ToggleButton x:Name="ToggleButton"
                                              Grid.Column="0"
                                              Grid.ColumnSpan="2"
                                              Background="{TemplateBinding Background}"
                                              BorderBrush="{TemplateBinding BorderBrush}"
                                              BorderThickness="1,0,0,0"
                                              ClickMode="Press"
                                              Focusable="false"
                                              IsChecked="{Binding IsDropDownOpen,
                                                                  Mode=TwoWay,
                                                                  RelativeSource={RelativeSource TemplatedParent}}"
                                              Style="{DynamicResource ArrowComboBoxToggleButton}" />
                                <ContentPresenter x:Name="ContentSite"
                                                  Margin="3,0,3,0"
                                                  HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                                  VerticalAlignment="Center"
                                                  Content="{TemplateBinding SelectionBoxItem}"
                                                  ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
                                                  ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
                                                  IsHitTestVisible="False" />
                                <Rectangle x:Name="enableRectangle"
                                           Grid.ColumnSpan="2"
                                           Fill="{DynamicResource DisEnableBrush}"
                                           Opacity="0.7"
                                           Visibility="Collapsed" />
                                <!--  必须将 TextBox 命名为 PART_EditableTextBox，否则 ComboBox 将无法识别它  -->
                                <TextBox x:Name="PART_EditableTextBox"
                                         Margin="3"
                                         VerticalAlignment="Stretch"
                                         Background="Transparent"
                                         BorderThickness="0"
                                         Focusable="True"
                                         IsReadOnly="{TemplateBinding IsReadOnly}"
                                         Visibility="Hidden" />
                                <!--  Popup 可显示 ComboBox 中的项列表。IsOpen 已数据绑定到通过 ComboBoxToggleButton 来切换的 IsDropDownOpen  -->
                                <Popup x:Name="Popup"
                                       AllowsTransparency="True"
                                       Focusable="False"
                                       IsOpen="{TemplateBinding IsDropDownOpen}"
                                       Placement="Bottom"
                                       PopupAnimation="Fade">
                                    <Grid x:Name="DropDown"
                                          MinWidth="{TemplateBinding ActualWidth}"
                                          MaxHeight="{TemplateBinding MaxDropDownHeight}"
                                          SnapsToDevicePixels="True">
                                        <Border x:Name="DropDownBorder"
                                                Background="{TemplateBinding Background}"
                                                BorderBrush="{TemplateBinding BorderBrush}"
                                                BorderThickness="1" />
                                        <ScrollViewer Margin="4,2,4,6"
                                                      CanContentScroll="True"
                                                      HorizontalScrollBarVisibility="Auto"
                                                      SnapsToDevicePixels="True"
                                                      Style="{DynamicResource SimpleScrollViewer}"
                                                      VerticalScrollBarVisibility="Auto">

                                            <!--  StackPanel 用于显示子级，方法是将 IsItemsHost 设置为 True  -->
                                            <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />

                                        </ScrollViewer>
                                    </Grid>
                                </Popup>
                            </Grid>
                        </Border>
                    </Grid>
                    <ControlTemplate.Triggers>
                        <!--  这会强制 DropDown 的大小有最小限制(如果它为空)  -->
                        <Trigger Property="HasItems" Value="false">
                            <Setter TargetName="DropDownBorder" Property="MinHeight" Value="95" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter TargetName="enableRectangle" Property="Visibility" Value="Visible" />
                        </Trigger>
                        <Trigger Property="IsGrouping" Value="true">
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
                        </Trigger>
                        <Trigger SourceName="Popup" Property="AllowsTransparency" Value="true">
                            <Setter TargetName="DropDownBorder" Property="CornerRadius" Value="4" />
                            <Setter TargetName="DropDownBorder" Property="Margin" Value="0,2,0,0" />
                        </Trigger>
                        <Trigger Property="IsEditable" Value="true">
                            <Setter TargetName="PART_EditableTextBox" Property="Visibility" Value="Visible" />
                            <Setter TargetName="ContentSite" Property="Visibility" Value="Hidden" />
                        </Trigger>
                        <Trigger Property="IsFocused" Value="true">
                            <Setter TargetName="OutSideBorder" Property="Visibility" Value="Visible" />
                        </Trigger>

                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="QuoteChartComboBoxStyle" TargetType="{x:Type ComboBox}">
        <Setter Property="Height" Value="24" />
        <Setter Property="Foreground" Value="{DynamicResource MainForegroundBrush}" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="BorderBrush" Value="{DynamicResource CommonBorderBrush}" />
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBox}">
                    <Border Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            CornerRadius="2">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="20" />
                                <ColumnDefinition />
                                <ColumnDefinition Width="20" />
                            </Grid.ColumnDefinitions>
                            <!--  ToggleButton 已数据绑定到 ComboBox 本身以切换 IsDropDownOpen  -->
                            <ToggleButton Background="{TemplateBinding Background}"
                                          BorderBrush="{TemplateBinding BorderBrush}"
                                          BorderThickness="1"
                                          ClickMode="Press"
                                          Focusable="false">
                                <Path Margin="{TemplateBinding Padding}"
                                      Data="M8.5,5.75 L15.5,15.5 0.5,15.5 z"
                                      Fill="{TemplateBinding Foreground}"
                                      RenderTransformOrigin="0.5,0.5"
                                      Stretch="Uniform">
                                    <Path.RenderTransform>
                                        <TransformGroup>
                                            <ScaleTransform />
                                            <SkewTransform />
                                            <RotateTransform Angle="-90" />
                                            <TranslateTransform />
                                        </TransformGroup>
                                    </Path.RenderTransform>
                                </Path>
                            </ToggleButton>

                            <ToggleButton x:Name="ToggleButton"
                                          Grid.Column="1"
                                          Background="{TemplateBinding Background}"
                                          BorderBrush="{TemplateBinding BorderBrush}"
                                          BorderThickness="1,0,0,0"
                                          ClickMode="Press"
                                          Focusable="false"
                                          IsChecked="{Binding IsDropDownOpen,
                                                              Mode=TwoWay,
                                                              RelativeSource={RelativeSource TemplatedParent}}" />
                            <ContentPresenter x:Name="ContentSite"
                                              Grid.Column="1"
                                              Margin="3,0,3,0"
                                              VerticalAlignment="Center"
                                              Content="{TemplateBinding SelectionBoxItem}"
                                              ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
                                              ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
                                              IsHitTestVisible="False" />
                            <ToggleButton Grid.Column="2"
                                          Background="{TemplateBinding Background}"
                                          BorderBrush="{TemplateBinding BorderBrush}"
                                          BorderThickness="1"
                                          ClickMode="Press"
                                          Focusable="false">
                                <Path Margin="{TemplateBinding Padding}"
                                      Data="M8.5,5.75 L15.5,15.5 0.5,15.5 z"
                                      Fill="{TemplateBinding Foreground}"
                                      RenderTransformOrigin="0.5,0.5"
                                      Stretch="Uniform">
                                    <Path.RenderTransform>
                                        <TransformGroup>
                                            <ScaleTransform />
                                            <SkewTransform />
                                            <RotateTransform Angle="90" />
                                            <TranslateTransform />
                                        </TransformGroup>
                                    </Path.RenderTransform>
                                </Path>
                            </ToggleButton>
                            <Rectangle x:Name="enableRectangle"
                                       Grid.ColumnSpan="2"
                                       Fill="{DynamicResource DisEnableBrush}"
                                       Opacity="0.7"
                                       Visibility="Collapsed" />
                            <!--  必须将 TextBox 命名为 PART_EditableTextBox，否则 ComboBox 将无法识别它  -->
                            <TextBox x:Name="PART_EditableTextBox"
                                     Margin="3"
                                     VerticalAlignment="Stretch"
                                     Background="Transparent"
                                     BorderThickness="0"
                                     Focusable="True"
                                     IsReadOnly="{TemplateBinding IsReadOnly}"
                                     Visibility="Hidden" />
                            <!--  Popup 可显示 ComboBox 中的项列表。IsOpen 已数据绑定到通过 ComboBoxToggleButton 来切换的 IsDropDownOpen  -->
                            <Popup x:Name="Popup"
                                   AllowsTransparency="True"
                                   Focusable="False"
                                   IsOpen="{TemplateBinding IsDropDownOpen}"
                                   Placement="Bottom"
                                   PopupAnimation="Fade">
                                <Grid x:Name="DropDown"
                                      MinWidth="{TemplateBinding ActualWidth}"
                                      MaxHeight="{TemplateBinding MaxDropDownHeight}"
                                      SnapsToDevicePixels="True">
                                    <Border x:Name="DropDownBorder"
                                            Background="{TemplateBinding Background}"
                                            BorderBrush="{TemplateBinding BorderBrush}"
                                            BorderThickness="1" />
                                    <ScrollViewer Margin="4,2,4,6"
                                                  CanContentScroll="True"
                                                  HorizontalScrollBarVisibility="Auto"
                                                  SnapsToDevicePixels="True"
                                                  Style="{DynamicResource SimpleScrollViewer}"
                                                  VerticalScrollBarVisibility="Auto">

                                        <!--  StackPanel 用于显示子级，方法是将 IsItemsHost 设置为 True  -->
                                        <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />

                                    </ScrollViewer>
                                </Grid>
                            </Popup>
                        </Grid>
                    </Border>
                    <ControlTemplate.Triggers>
                        <!--  这会强制 DropDown 的大小有最小限制(如果它为空)  -->
                        <Trigger Property="HasItems" Value="false">
                            <Setter TargetName="DropDownBorder" Property="MinHeight" Value="95" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter TargetName="enableRectangle" Property="Visibility" Value="Visible" />
                        </Trigger>
                        <Trigger Property="IsGrouping" Value="true">
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
                        </Trigger>
                        <Trigger SourceName="Popup" Property="AllowsTransparency" Value="true">
                            <Setter TargetName="DropDownBorder" Property="CornerRadius" Value="4" />
                            <Setter TargetName="DropDownBorder" Property="Margin" Value="0,2,0,0" />
                        </Trigger>
                        <Trigger Property="IsEditable" Value="true">
                            <Setter Property="IsTabStop" Value="false" />
                            <Setter TargetName="PART_EditableTextBox" Property="Visibility" Value="Visible" />
                            <Setter TargetName="ContentSite" Property="Visibility" Value="Hidden" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <SolidColorBrush x:Key="TextBoxForeground" Color="#FF444444" />


    <Style x:Key="LoginComboBoxToggleButton"
           BasedOn="{x:Null}"
           TargetType="{x:Type ToggleButton}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ToggleButton}">
                    <Grid>
                        <Border x:Name="Border"
                                Height="{TemplateBinding Height}"
                                Margin="1"
                                Panel.ZIndex="1"
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="1" />
                        <Border x:Name="MouseOverVisual"
                                Height="{TemplateBinding Height}"
                                Panel.ZIndex="1"
                                BorderBrush="{DynamicResource TextBox_MouseOver}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="1"
                                Opacity="0" />
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="MouseOverVisual" Property="Opacity" Value="1" />
                        </Trigger>

                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>

        </Setter>
    </Style>

    <!--
        Simple ComboBox
        它使用 ComboBoxToggleButton 来展开和折叠 Popup 控件
        使用 SimpleScrollViewer 可使项滚动，而使用 SimpleComboBoxItem 可定义每个项的外观
        Popup 显示了 StackPanel 中的项的列表
    -->
    <Style x:Key="CycleListBoxItemStyle" TargetType="{x:Type ListBoxItem}">
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Padding" Value="5" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ListBoxItem}">
                    <Border x:Name="Bd"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            Padding="{TemplateBinding Padding}"
                            SnapsToDevicePixels="True">
                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                          VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                          Content="{TemplateBinding Content}"
                                          ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                          ContentTemplate="{TemplateBinding ContentTemplate}"
                                          SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsSelected" Value="True">
                            <Setter TargetName="Bd" Property="Background" Value="{DynamicResource MuchinfoBrush3}" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="CycleListBoxStyle" TargetType="{x:Type ListBox}">
        <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
        <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Disabled" />
        <Setter Property="ScrollViewer.CanContentScroll" Value="true" />
        <Setter Property="ScrollViewer.PanningMode" Value="Both" />
        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ListBox}">
                    <ScrollViewer Focusable="false" Padding="{TemplateBinding Padding}">
                        <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </ScrollViewer>
                    <ControlTemplate.Triggers>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsGrouping" Value="true" />
                            </MultiTrigger.Conditions>
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
                        </MultiTrigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="AmountListBoxItemStyle" TargetType="{x:Type ListBoxItem}">
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Padding" Value="5" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ListBoxItem}">
                    <Border x:Name="Bd"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            Padding="{TemplateBinding Padding}"
                            SnapsToDevicePixels="True">
                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                          VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                          Content="{TemplateBinding Content}"
                                          ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                          ContentTemplate="{TemplateBinding ContentTemplate}"
                                          SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="AmountListBoxStyle" TargetType="{x:Type ListBox}">
        <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
        <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Disabled" />
        <Setter Property="ScrollViewer.CanContentScroll" Value="true" />
        <Setter Property="ScrollViewer.PanningMode" Value="Both" />
        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ListBox}">
                    <ScrollViewer Focusable="false" Padding="{TemplateBinding Padding}">
                        <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </ScrollViewer>
                    <ControlTemplate.Triggers>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsGrouping" Value="true" />
                            </MultiTrigger.Conditions>
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
                        </MultiTrigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!--  新图表周期  -->
    <Style x:Key="ChartCycleListBoxStyle" TargetType="{x:Type ListBox}">
        <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
        <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Disabled" />
        <Setter Property="ScrollViewer.CanContentScroll" Value="true" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="ScrollViewer.PanningMode" Value="Both" />
        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
        <Setter Property="Foreground" Value="{DynamicResource MuchinfoBrush13}" />
        <Setter Property="Padding" Value="0" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ListBox}">
                    <ScrollViewer BorderBrush="{TemplateBinding BorderBrush}"
                                  BorderThickness="{TemplateBinding BorderThickness}"
                                  Focusable="false"
                                  Padding="{TemplateBinding Padding}">
                        <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </ScrollViewer>
                    <ControlTemplate.Triggers>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsGrouping" Value="true" />
                            </MultiTrigger.Conditions>
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
                        </MultiTrigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="ChartCycleListBoxItemStyle" TargetType="{x:Type ListBoxItem}">
        <Setter Property="FontSize" Value="10" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="BorderThickness" Value="0,0,1,0" />
        <Setter Property="Foreground" Value="{DynamicResource MainForegroundBrush}" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="BorderBrush" Value="{DynamicResource CommonBorderBrush}" />
        <Setter Property="Padding" Value="3" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ListBoxItem}">
                    <Border x:Name="Bd"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            Padding="{TemplateBinding Padding}"
                            SnapsToDevicePixels="True">
                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                          VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                          Content="{TemplateBinding Content}"
                                          ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                          ContentTemplate="{TemplateBinding ContentTemplate}"
                                          SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsSelected" Value="True">
                            <Setter TargetName="Bd" Property="Background" Value="{DynamicResource SelectedBackBrush}" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="ChartIndecatorListBoxItemStyle" TargetType="{x:Type ListBoxItem}">
        <Setter Property="FontSize" Value="10" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="BorderThickness" Value="0,0,1,0" />
        <Setter Property="Foreground" Value="{DynamicResource MainForegroundBrush}" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="BorderBrush" Value="{DynamicResource ContextBorderBrush}" />
        <Setter Property="Padding" Value="3,1" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ListBoxItem}">
                    <Border x:Name="Bd"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            Padding="{TemplateBinding Padding}"
                            SnapsToDevicePixels="True">
                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                          VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                          Content="{TemplateBinding Content}"
                                          ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                          ContentTemplate="{TemplateBinding ContentTemplate}"
                                          SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsSelected" Value="True">
                            <Setter TargetName="Bd" Property="Background" Value="{DynamicResource SelectedBackBrush}" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type GroupBox}">
        <Setter Property="BorderBrush" Value="{x:Static Themes:ClassicBorderDecorator.ClassicBorderBrush}" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type GroupBox}">
                    <Grid SnapsToDevicePixels="true">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="6" />
                            <ColumnDefinition Width="Auto" />
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="6" />
                        </Grid.ColumnDefinitions>
                        <Grid.RowDefinitions>
                            <RowDefinition Height="Auto" />
                            <RowDefinition Height="Auto" />
                            <RowDefinition Height="*" />
                            <RowDefinition Height="6" />
                        </Grid.RowDefinitions>
                        <Border Grid.Row="1"
                                Grid.RowSpan="3"
                                Grid.Column="0"
                                Grid.ColumnSpan="4"
                                Background="{TemplateBinding Background}"
                                BorderBrush="Transparent"
                                BorderThickness="{TemplateBinding BorderThickness}" />
                        <Themes:ClassicBorderDecorator Grid.Row="1"
                                                       Grid.RowSpan="3"
                                                       Grid.ColumnSpan="4"
                                                       BorderBrush="{TemplateBinding BorderBrush}"
                                                       BorderStyle="Etched"
                                                       BorderThickness="{TemplateBinding BorderThickness}">
                            <Themes:ClassicBorderDecorator.OpacityMask>
                                <MultiBinding Converter="{StaticResource BorderGapMaskConverter}" ConverterParameter="7">
                                    <Binding ElementName="Header" Path="ActualWidth" />
                                    <Binding Path="ActualWidth" RelativeSource="{RelativeSource Self}" />
                                    <Binding Path="ActualHeight" RelativeSource="{RelativeSource Self}" />
                                </MultiBinding>
                            </Themes:ClassicBorderDecorator.OpacityMask>
                        </Themes:ClassicBorderDecorator>
                        <Border x:Name="Header"
                                Grid.Row="0"
                                Grid.RowSpan="2"
                                Grid.Column="1"
                                Padding="3,0,3,0">
                            <ContentPresenter ContentSource="Header"
                                              RecognizesAccessKey="True"
                                              SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                        </Border>
                        <ContentPresenter Grid.Row="2"
                                          Grid.Column="1"
                                          Grid.ColumnSpan="2"
                                          Margin="{TemplateBinding Padding}"
                                          SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <LinearGradientBrush x:Key="TextBoxBorder" MappingMode="Absolute" StartPoint="0,0" EndPoint="0,20">
        <GradientStop Offset="0.05" Color="#ABADB3" />
        <GradientStop Offset="0.07" Color="#E2E3EA" />
        <GradientStop Offset="1" Color="#E3E9EF" />
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="TextBox_MouseOver" StartPoint="0,0" EndPoint="0,1">
        <GradientStop Offset="0.05" Color="#5794BF" />
        <GradientStop Offset="0.07" Color="#B7D5EA" />
        <GradientStop Offset="1" Color="#C7E2F1" />
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="TextBox_Focused" StartPoint="0,0" EndPoint="0,1">
        <GradientStop Offset="0.05" Color="#3D7BAD" />
        <GradientStop Offset="0.07" Color="#A4C9E3" />
        <GradientStop Offset="1" Color="#B7D9ED" />
    </LinearGradientBrush>
    <SolidColorBrush x:Key="TextBox_DisabledBorder" Color="#ADB2B5" />
    <SolidColorBrush x:Key="TextBox_DisabledBackground" Color="#F4F4F4" />

    <!--  默认空样式，避免全局样式影响  -->
    <Style x:Key="LoginAccountTextBoxStyle" TargetType="{x:Type TextBox}">
        <Style.Resources>
            <VisualBrush x:Key="TipBrush"
                         AlignmentX="Left"
                         Stretch="None"
                         TileMode="None">
                <VisualBrush.Visual>
                    <StackPanel Orientation="Horizontal">
                        <TextBlock FontSize="10"
                                   Foreground="Transparent"
                                   Text="1111111" />
                        <TextBlock FontSize="13"
                                   Foreground="#FFA1A6AA"
                                   Text="{x:Static resource:Client_Resource.Content_AccountNumber}" />
                    </StackPanel>

                </VisualBrush.Visual>
            </VisualBrush>
        </Style.Resources>
        <Setter Property="Foreground" Value="#FF444444" />
        <Setter Property="FontSize" Value="13" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="BorderBrush" Value="{StaticResource TextBoxBorder}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type TextBox}">
                    <Grid Height="{TemplateBinding Height}"
                          HorizontalAlignment="Stretch"
                          VerticalAlignment="Stretch">
                        <Border x:Name="Border"
                                Height="{TemplateBinding Height}"
                                Margin="0,0,8,0"
                                Panel.ZIndex="1"
                                Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="1" />
                        <Border x:Name="MouseOverVisual"
                                Height="{TemplateBinding Height}"
                                Margin="0,0,8,0"
                                Panel.ZIndex="1"
                                BorderBrush="{StaticResource TextBox_MouseOver}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="1"
                                Opacity="0" />
                        <Border x:Name="FocusVisual"
                                Height="{TemplateBinding Height}"
                                Margin="0,0,8,0"
                                Panel.ZIndex="1"
                                BorderBrush="{StaticResource TextBox_Focused}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="1"
                                Opacity="0" />

                        <Image Width="14"
                               Height="14"
                               Margin="12,0,0,0"
                               HorizontalAlignment="Left"
                               VerticalAlignment="Center"
                               Panel.ZIndex="1"
                               Source="{DynamicResource AccountBoxIcon}" />
                        <!--
                            <Rectangle Width="12"
                            Height="20"
                            Margin="12,0,0,0"
                            HorizontalAlignment="Left"
                            VerticalAlignment="Center"
                            Panel.ZIndex="1"
                            Fill="{StaticResource LoginAccountTipDrawingBrush}" />
                        -->
                        <ScrollViewer x:Name="PART_ContentHost"
                                      Margin="0,0,8,0"
                                      HorizontalAlignment="Stretch"
                                      VerticalAlignment="Center"
                                      VerticalContentAlignment="Center"
                                      Panel.ZIndex="2"
                                      Background="{x:Null}"
                                      FontSize="{TemplateBinding FontSize}"
                                      Foreground="{TemplateBinding Foreground}"
                                      SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter TargetName="MouseOverVisual" Property="Opacity" Value="1" />
                        </Trigger>
                        <Trigger Property="IsFocused" Value="True">
                            <Setter TargetName="FocusVisual" Property="Opacity" Value="1" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource TextBox_DisabledBorder}" />
                            <Setter TargetName="Border" Property="Background" Value="{StaticResource TextBox_DisabledBackground}" />
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                        </Trigger>
                        <Trigger Property="Text" Value="{x:Null}">
                            <Setter Property="Background" Value="{StaticResource TipBrush}" />
                        </Trigger>
                        <Trigger Property="Text" Value="">
                            <Setter Property="Background" Value="{StaticResource TipBrush}" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="LoginComboBoxStyle" TargetType="{x:Type ComboBox}">
        <Setter Property="Foreground" Value="{DynamicResource TextBoxForeground}" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="IsEditable" Value="True" />
        <Setter Property="BorderBrush" Value="{StaticResource TextBoxBorder}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBox}">
                    <Grid Margin="0,0,8,0">
                        <!--  ToggleButton 已数据绑定到 ComboBox 本身以切换 IsDropDownOpen  -->
                        <ToggleButton x:Name="ToggleButton"
                                      Background="{TemplateBinding Background}"
                                      BorderBrush="{TemplateBinding BorderBrush}"
                                      BorderThickness="{TemplateBinding BorderThickness}"
                                      ClickMode="Press"
                                      Focusable="false"
                                      IsChecked="{Binding IsDropDownOpen,
                                                          Mode=TwoWay,
                                                          RelativeSource={RelativeSource TemplatedParent}}"
                                      Style="{DynamicResource LoginComboBoxToggleButton}" />
                        <ContentPresenter x:Name="ContentSite"
                                          VerticalAlignment="Center"
                                          Content="{TemplateBinding SelectionBoxItem}"
                                          ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
                                          ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
                                          IsHitTestVisible="False" />

                        <!--  必须将 TextBox 命名为 PART_EditableTextBox，否则 ComboBox 将无法识别它  -->
                        <TextBox x:Name="PART_EditableTextBox"
                                 VerticalAlignment="Stretch"
                                 VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                                 Background="Transparent"
                                 BorderThickness="0"
                                 Focusable="True"
                                 IsHitTestVisible="False"
                                 IsReadOnly="{TemplateBinding IsReadOnly}"
                                 Style="{DynamicResource LoginAccountTextBoxStyle}"
                                 Visibility="Hidden" />
                        <!--  Popup 可显示 ComboBox 中的项列表。IsOpen 已数据绑定到通过 ComboBoxToggleButton 来切换的 IsDropDownOpen  -->
                        <Popup x:Name="Popup"
                               AllowsTransparency="True"
                               Focusable="False"
                               IsOpen="{TemplateBinding IsDropDownOpen}"
                               Placement="Bottom"
                               PopupAnimation="Fade">
                            <Grid x:Name="DropDown"
                                  MinWidth="{TemplateBinding ActualWidth}"
                                  MaxHeight="{TemplateBinding MaxDropDownHeight}"
                                  SnapsToDevicePixels="True">
                                <Border x:Name="DropDownBorder"
                                        Background="{TemplateBinding Background}"
                                        BorderBrush="{TemplateBinding BorderBrush}"
                                        BorderThickness="1" />
                                <ScrollViewer Margin="4,2,4,6"
                                              CanContentScroll="True"
                                              HorizontalScrollBarVisibility="Auto"
                                              SnapsToDevicePixels="True"
                                              Style="{DynamicResource SimpleScrollViewer}"
                                              VerticalScrollBarVisibility="Auto">

                                    <!--  StackPanel 用于显示子级，方法是将 IsItemsHost 设置为 True  -->
                                    <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />

                                </ScrollViewer>
                            </Grid>
                        </Popup>
                    </Grid>

                    <ControlTemplate.Triggers>
                        <!--  这会强制 DropDown 的大小有最小限制(如果它为空)  -->
                        <Trigger Property="HasItems" Value="false">
                            <Setter TargetName="DropDownBorder" Property="MinHeight" Value="95" />
                        </Trigger>

                        <Trigger Property="IsGrouping" Value="true">
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
                        </Trigger>

                        <Trigger SourceName="Popup" Property="AllowsTransparency" Value="true">
                            <Setter TargetName="DropDownBorder" Property="CornerRadius" Value="4" />
                            <Setter TargetName="DropDownBorder" Property="Margin" Value="0,2,0,0" />
                        </Trigger>
                        <Trigger Property="IsEditable" Value="true">
                            <Setter Property="IsTabStop" Value="false" />
                            <Setter TargetName="PART_EditableTextBox" Property="Visibility" Value="Visible" />
                            <Setter TargetName="ContentSite" Property="Visibility" Value="Hidden" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="BorderBrush" Value="{StaticResource TextBox_DisabledBackground}" />
                            <Setter Property="Background" Value="{StaticResource TextBox_DisabledBackground}" />

                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>

    </Style>
    <!--  下单界面选择、输入商品的style  -->
    <Style x:Key="GoodsComboBoxStyle" TargetType="{x:Type ComboBox}">
        <Setter Property="Foreground" Value="{DynamicResource TextBoxForeground}" />
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="IsEditable" Value="True" />
        <Setter Property="BorderBrush" Value="{StaticResource TextBoxBorder}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBox}">
                    <Grid Margin="0,0,8,0">
                        <!--  ToggleButton 已数据绑定到 ComboBox 本身以切换 IsDropDownOpen  -->
                        <ToggleButton x:Name="ToggleButton"
                                      Background="{TemplateBinding Background}"
                                      BorderBrush="{TemplateBinding BorderBrush}"
                                      BorderThickness="{TemplateBinding BorderThickness}"
                                      ClickMode="Press"
                                      Focusable="false"
                                      IsChecked="{Binding IsDropDownOpen,
                                                          Mode=TwoWay,
                                                          RelativeSource={RelativeSource TemplatedParent}}"
                                      Style="{DynamicResource LoginComboBoxToggleButton}" />
                        <ContentPresenter x:Name="ContentSite"
                                          VerticalAlignment="Center"
                                          Content="{TemplateBinding SelectionBoxItem}"
                                          ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
                                          ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
                                          IsHitTestVisible="False" />

                        <!--  必须将 TextBox 命名为 PART_EditableTextBox，否则 ComboBox 将无法识别它  -->
                        <TextBox x:Name="PART_EditableTextBox"
                                 VerticalAlignment="Stretch"
                                 VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                                 Background="Transparent"
                                 BorderThickness="0"
                                 Focusable="True"
                                 IsHitTestVisible="False"
                                 IsReadOnly="{TemplateBinding IsReadOnly}"
                                 Style="{DynamicResource LoginAccountTextBoxStyle}"
                                 Visibility="Hidden" />
                        <!--  Popup 可显示 ComboBox 中的项列表。IsOpen 已数据绑定到通过 ComboBoxToggleButton 来切换的 IsDropDownOpen  -->
                        <Popup x:Name="Popup"
                               AllowsTransparency="True"
                               Focusable="False"
                               IsOpen="{TemplateBinding IsDropDownOpen}"
                               Placement="Bottom"
                               PopupAnimation="Fade">
                            <Grid x:Name="DropDown"
                                  MinWidth="{TemplateBinding ActualWidth}"
                                  MaxHeight="{TemplateBinding MaxDropDownHeight}"
                                  SnapsToDevicePixels="True">
                                <Border x:Name="DropDownBorder"
                                        Background="{TemplateBinding Background}"
                                        BorderBrush="{TemplateBinding BorderBrush}"
                                        BorderThickness="1" />
                                <ScrollViewer Margin="4,2,4,6"
                                              CanContentScroll="True"
                                              HorizontalScrollBarVisibility="Auto"
                                              SnapsToDevicePixels="True"
                                              Style="{DynamicResource SimpleScrollViewer}"
                                              VerticalScrollBarVisibility="Auto">

                                    <!--  StackPanel 用于显示子级，方法是将 IsItemsHost 设置为 True  -->
                                    <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />

                                </ScrollViewer>
                            </Grid>
                        </Popup>
                    </Grid>

                    <ControlTemplate.Triggers>
                        <!--  这会强制 DropDown 的大小有最小限制(如果它为空)  -->
                        <Trigger Property="HasItems" Value="false">
                            <Setter TargetName="DropDownBorder" Property="MinHeight" Value="95" />
                        </Trigger>

                        <Trigger Property="IsGrouping" Value="true">
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
                        </Trigger>

                        <Trigger SourceName="Popup" Property="AllowsTransparency" Value="true">
                            <Setter TargetName="DropDownBorder" Property="CornerRadius" Value="4" />
                            <Setter TargetName="DropDownBorder" Property="Margin" Value="0,2,0,0" />
                        </Trigger>
                        <Trigger Property="IsEditable" Value="true">
                            <Setter Property="IsTabStop" Value="false" />
                            <Setter TargetName="PART_EditableTextBox" Property="Visibility" Value="Visible" />
                            <Setter TargetName="ContentSite" Property="Visibility" Value="Hidden" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="BorderBrush" Value="{StaticResource TextBox_DisabledBackground}" />
                            <Setter Property="Background" Value="{StaticResource TextBox_DisabledBackground}" />

                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>

    </Style>
</ResourceDictionary>