如何在 DatagridTemplateColumn 上添加 MouseDoubleClick 事件?
我的专栏:
<DataGridTemplateColumn Header="PK">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Image Name="pk" HorizontalAlignment="Center" Stretch="None" />
<DataTemplate.Triggers>
<DataTrigger Binding="{Binding Path=Primary_Key}" Value="J">
<Setter TargetName="pk" Property="Source" Value="/UserInterface;component/Resources/Images/key.png"/>
</DataTrigger>
</DataTemplate.Triggers>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
我现在使用 DataGrid 本身上的 MouseDoubleClick 事件来执行此操作,但是每次双击任何单元格时都会触发此offcourse:
Private Sub dgColumns_MouseDoubleClick(ByVal sender As System.Object, ByVal e As System.Windows.Input.MouseButtonEventArgs)
Dim dg As DataGrid = CType(sender, DataGrid)
If dg.SelectedItem IsNot Nothing AndAlso dg.SelectedItem.GetType Is GetType(Attribuut) Then
If CType(dg.SelectedItem, Attribuut).Primary_Key = "J" Then
CType(dg.SelectedItem, Attribuut).Primary_Key = "N"
Else
CType(dg.SelectedItem, Attribuut).Primary_Key = "J"
End If
End If
End Sub
这会使图像列发生变化,但只有当我离开单元格时,我将如何立即执行此操作?