WPF 3.5嵌套数据网格行详细信息未显示在可视化树中
因此,我构建了一个漂亮的嵌套数据网格,如下所示:WPF 3.5嵌套数据网格行详细信息未显示在可视化树中,wpf,visual-tree,visualtreehelper,Wpf,Visual Tree,Visualtreehelper,因此,我构建了一个漂亮的嵌套数据网格,如下所示: <dg:DataGrid x:Name="mainGrid" AutoGenerateColumns="False" CanUserAddRows="False" AreRowDetailsFrozen="True" CanUserReorderColumns="False" Ca
<dg:DataGrid x:Name="mainGrid"
AutoGenerateColumns="False"
CanUserAddRows="False"
AreRowDetailsFrozen="True"
CanUserReorderColumns="False"
CanUserResizeColumns="True"
CanUserResizeRows="False"
SelectionUnit="FullRow"
RowDetailsVisibilityMode="VisibleWhenSelected">
<dg:DataGrid.Columns>
<dg:DataGridTemplateColumn CanUserResize="False" CanUserSort="False" Width="36" IsReadOnly="False">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Content="+" Width="28" Height="28" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
<dg:DataGridTemplateColumn>
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Grid>
<CheckBox IsChecked="{Binding IsSelected, Mode=TwoWay}"/>
</Grid>
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
<dg:DataGridTemplateColumn Header="Name" IsReadOnly="True" Width="582">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBlock Margin="5" VerticalAlignment="Center" Text="{Binding Name, Mode=TwoWay, UpdateSourceTrigger=Default}" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
<dg:DataGridTemplateColumn Header="Status" IsReadOnly="True" Width="150">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBlock Margin="5" VerticalAlignment="Center" Text="{Binding Status, Mode=TwoWay, UpdateSourceTrigger=Default}" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
<dg:DataGridCheckBoxColumn Binding="{Binding IsSelected}"/>
</dg:DataGrid.Columns>
<dg:DataGrid.RowDetailsTemplate>
<DataTemplate>
<dg:DataGrid x:Name="scondaryDatagrid" Margin="29,0,0,0"
AutoGenerateColumns="False"
CanUserAddRows="False"
AreRowDetailsFrozen="True"
CanUserReorderColumns="False"
CanUserResizeColumns="True"
CanUserResizeRows="False"
SelectionUnit="Cell"
RowDetailsVisibilityMode="VisibleWhenSelected"
ItemsSource="{Binding Grades, Mode=TwoWay}">
<dg:DataGrid.Columns>
<dg:DataGridTemplateColumn CanUserResize="False" CanUserSort="False" Width="32" IsReadOnly="True">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Content="+" Width="28" Height="28" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
<dg:DataGridTemplateColumn CanUserResize="False" CanUserSort="False" Width="32" IsReadOnly="True">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<CheckBox IsChecked="{Binding IsSelected, Mode=TwoWay}" VerticalAlignment="Center" HorizontalAlignment="Center" HorizontalContentAlignment="Center" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
<dg:DataGridTemplateColumn Header="Name" IsReadOnly="True" Width="550">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBlock Margin="5" Text="{Binding Name, Mode=TwoWay}" VerticalAlignment="Center" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
</dg:DataGrid.Columns>
<dg:DataGrid.RowDetailsTemplate>
<DataTemplate>
<dg:DataGrid Margin="25,0,0,0"
AutoGenerateColumns="False"
CanUserAddRows="False"
AreRowDetailsFrozen="True"
CanUserReorderColumns="False"
CanUserResizeColumns="True"
CanUserResizeRows="False"
SelectionUnit="Cell"
ItemsSource="{Binding Notes, Mode=TwoWay}">
<dg:DataGrid.Columns>
<dg:DataGridTemplateColumn CanUserResize="False" CanUserSort="False" Width="32" IsReadOnly="True">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<CheckBox IsChecked="{Binding IsSelected, Mode=TwoWay}" VerticalAlignment="Center" HorizontalAlignment="Center" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
<dg:DataGridTemplateColumn Header="Note" IsReadOnly="True" Width="550">
<dg:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBlock Margin="5" Text="{Binding Note, Mode=TwoWay}" VerticalAlignment="Center" />
</DataTemplate>
</dg:DataGridTemplateColumn.CellTemplate>
</dg:DataGridTemplateColumn>
</dg:DataGrid.Columns>
</dg:DataGrid>
</DataTemplate>
</dg:DataGrid.RowDetailsTemplate>
</dg:DataGrid>
</DataTemplate>
</dg:DataGrid.RowDetailsTemplate>
</dg:DataGrid>
由于RowDetailsVisibilityMode属性设置为VisibleWhenSelected时,因此行的节点DataGridDetailsPresenter具有0个子节点。当属性设置为Visible时,我可以看到DataGridDetailsPresenter子项
当RowDetailsVisibilityMode属性在选中时可见时,如何强制在可视树中包含所有节点
非常感谢您的任何意见。您想完成什么
除非RowDetails可见,否则它们不会出现在可视树中,除非可以通过将RowDetailsVisibilityMode设置为可见,但将RowDetails DataGrid可见性设置为折叠来强制创建它们。这可能行不通。我不知道如果在3.5中设置为崩溃,DataGrid是否会在可视化树中。我能够通过解析树并打开基于非用户操作的元素来解决根本问题。谢谢你的主意。