MTP2.0_CSharp/Muchinfo.MTPClient/Fx4.0/Main/04.Infrastructure/Muchinfo.TASClient.Infrastructure/Converters/StringToVisibilityConverter.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Data;

namespace Muchinfo.MTPClient.Infrastructure.Converters
{
    /// <summary>
    /// 通用判断有值的显示，否则隐藏
    /// </summary>
    public class StringToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value == null || value.ToString() == "")
            {
                return Visibility.Collapsed;
            }
            else
            {
                return Visibility.Visible;
            }
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}