FilterEditorControl.QueryGroupOperations Event
In This Article
Allows you to prohibit group operations.
Namespace: DevExpress.Xpf.Core.FilteringUI
Assembly: DevExpress.Xpf.Grid.v24.2.dll
NuGet Package: DevExpress.Wpf.Grid.Core
#Declaration
public event EventHandler<QueryGroupOperationsEventArgs> QueryGroupOperations
#Event Data
The QueryGroupOperations event's data class is QueryGroupOperationsEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Allow |
Gets or sets whether to allow users to add conditions. |
Allow |
Gets or sets whether to allow users to add custom expressions. |
Allow |
Gets or sets whether to allow users to add a group of conditions. |
Filter |
Gets the current filter criteria specified in the Filter |
#Remarks
Use the QueryGroupOperations event to prohibit group operations. The following code sample prohibits users from adding custom expressions:
<dxg:TableView x:Name="view">
<dxg:TableView.FilterEditorTemplate>
<DataTemplate>
<dxfui:FilterEditorControl QueryGroupOperations="OnQueryGroupOperations" />
</DataTemplate>
</dxg:TableView.FilterEditorTemplate>
</dxg:TableView>
void OnQueryGroupOperations(object sender, QueryGroupOperationsEventArgs e) {
e.AllowAddCustomExpression = false;
}
See Also