我有DataGrid
,在每个DataGridRow
我有行详细信息,其中包含几个控件。如何停止DataGridRow选择如果在RowDetails中点击鼠标
我想要什么,如果有的话则点击该行的细节里面:
- 不选择该行,或者更准确地说,
- 更改现有DataGrid
选择。
我正在考虑处理PreviewMouseDown和MouseDown事件的行为,不知怎的,使DataGrid跳过选择过程,但不知道如何继续。
最后,我将在具有更多信息的细节中使用TabControl,因此我也不希望TabItem单击来更改DataGrid的现有选择。
会不会有一种方法来启动PreviewMouseDown的隧道在电网“DetailsContainer”级别和网格“DetailsContainer”停止的MouseDown的冒泡水平
<DataGrid Name="dgAudit"
CanUserReorderColumns="False"
CanUserAddRows="False"
CanUserDeleteRows="False"
CanUserResizeColumns="False"
CanUserResizeRows="False"
CanUserSortColumns="False"
IsReadOnly="True"
ItemsSource="{Binding GEOM_ASSET_OC_LIST}"
VirtualizingPanel.ScrollUnit="Pixel"
RowDetailsVisibilityMode="Visible"
>
<i:Interaction.Behaviors>
<behaviors:DataGridBehaviors />
</i:Interaction.Behaviors>
<DataGrid.Columns>
<DataGridTextColumn Header="Asset ID" Binding="{Binding ASSET_ID}" Width="200" />
<DataGridTextColumn Header="Asset Type" Binding="{Binding ASSET_TYPE}" Width="200" />
<DataGridTextColumn Header="Last Update By" Binding="{Binding LAST_UPDATE_BY}" Width="150" />
<DataGridTextColumn Header="Last Update Date" Binding="{Binding LAST_UPDATE_DATETIME, StringFormat=\{0:dd.MM.yy HH:mm:ss tt\}}" Width="150" />
</DataGrid.Columns>
<DataGrid.RowDetailsTemplate>
<DataTemplate>
<Grid Name="DetailsContainer">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<TextBlock Name Text="{Binding Notes}" Width="400" HorizontalAlignment="Left" TextWrapping="Wrap"/>
<Button Content="Button" Grid.Column="1" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Width="75" Click="Button_Click"/>
</Grid>
</DataTemplate>
</DataGrid.RowDetailsTemplate>
</DataGrid>
只是一个快速模拟出一个空的行为
public class DataGridBehaviors : Behavior<DataGrid>
{
protected override void OnAttached()
{
base.OnAttached();
this.AssociatedObject.MouseDown += DataGrid_MouseDown;
this.AssociatedObject.PreviewMouseDown += DataGrid_PreviewMouseDown;
}
protected override void OnDetaching()
{
this.AssociatedObject.PreviewMouseDown -= DataGrid_PreviewMouseDown;
this.AssociatedObject.MouseDown -= DataGrid_MouseDown;
base.OnDetaching();
}
private void DataGrid_MouseDown(object sender, MouseButtonEventArgs e)
{
}
private void DataGrid_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
DependencyObject obj = (DependencyObject)e.OriginalSource;
DataGridDetailsPresenter RowsDetails = FindParent<DataGridDetailsPresenter>(obj);
if (RowsDetails != null)
{
//Skip over selection, maybe temporarily removed native selection handler???
}
}
public static T FindParent<T>(DependencyObject child) where T : DependencyObject
{
//get parent item
DependencyObject parentObject = VisualTreeHelper.GetParent(child);
//we've reached the end of the tree
if (parentObject == null) return null;
//check if the parent matches the type we're looking for
T parent = parentObject as T;
if (parent != null)
return parent;
else
return FindParent<T>(parentObject);
}
private static T GetVisualChild<T>(DependencyObject parent) where T : Visual
{
T child = default(T);
int numVisuals = VisualTreeHelper.GetChildrenCount(parent);
for (int i = 0; i < numVisuals; i++)
{
Visual v = (Visual)VisualTreeHelper.GetChild(parent, i);
child = v as T;
if (child == null)
{
child = GetVisualChild<T>(v);
}
if (child != null)
{
break;
}
}
return child;
}
}
可能包括写只读属性设置为“真” –