1
的数值转换器显示的图像在专栏中,我有以下XAML:WPF的Datagrid:使用基于数据源
<Window.Resources>
<myApp:ImageDisplayConvertor x:Key="ImageDisplayConvertor" />
</Window.Resources>
<DataGridTemplateColumn Header="Icon">
<DataGridTemplateColumn.CellTemplate >
<DataTemplate>
<Image Name="img" Source="{Binding Game,Converter={StaticResource ImageDisplayConvertor}}" />
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
这里是我的转换代码:
Public Class ImageDisplayConvertor
Implements IValueConverter
Public Function Convert(value As Object, targetType As System.Type, parameter As Object, culture As System.Globalization.CultureInfo) As Object Implements System.Windows.Data.IValueConverter.Convert
Dim x As Integer = DirectCast(value, Integer)
Select Case x
Case 1 : Return My.Resources.T1
Case 2 : Return My.Resources.T2
Case 3 : Return My.Resources.T3_Blue
Case 10 : Return My.Resources.SS2
Case Else : Return My.Resources.imgError
End Select
End Function
Public Function ConvertBack(value As Object, targetType As System.Type, parameter As Object, culture As System.Globalization.CultureInfo) As Object Implements System.Windows.Data.IValueConverter.ConvertBack
Return value
End Function
End Class
返回的资源是位图。我知道转换器类正在触发,因为我已经使用messagebox的变量'x',并且它显示了数据源'Game'列中的整数值。但是,我的TemplateColumn仍然是空的:
我在做什么错?如果我将图像源设置为静态uri,我会在第一列中看到图像。但试图绑定和转换不起作用。