wpf datagrid field to image converter 字段 图片转化器

 <DataGridTemplateColumn Header="Binding">
                             <DataGridTemplateColumn.CellTemplate>
                                 <DataTemplate>
                                     <Image x:Name="BindImg" Height="30" Width="30" Source="{Binding IsBindable,Converter={StaticResource bindableConverter}}" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                                 </DataTemplate>
                             </DataGridTemplateColumn.CellTemplate>
                         </DataGridTemplateColumn>

 public class BindableConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {
             bool isBind;
             if(value==null||string.IsNullOrWhiteSpace(value.ToString()))
             {
                 return "../../Resource/Images/unbinded.jpg";
             }
             if (Boolean.TryParse(value.ToString(), out isBind))
             {
                 if (isBind)
                 {
                     return "../../Resource/Images/binded.jpg";
                 }
                 else
                 {
                     return "../../Resource/Images/unbinded.jpg";
                 }
             }
             return null;
         }

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