DataGridView.GroupExpanding Event
Occurs before a group of rows is expanded.
Namespace: DevExpress.Maui.DataGrid
Assembly: DevExpress.Maui.DataGrid.dll
NuGet Package: DevExpress.Maui.DataGrid
Declaration
public event EventHandler<CancelRowEventArgs> GroupExpanding
Event Data
The GroupExpanding event's data class is CancelRowEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Cancel | Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs. |
RowHandle | Returns the handle of the processed row. |
Remarks
The GroupExpanding
event is raised before a group of data rows is expanded from UI or code (ExpandGroupRow. You can handle this event and set its parameter’s Cancel property to true
to prevent a group from being expanded.
When you call the ExpandAllGroups method, the GroupExpanding
event is raised for each group.
After the group row has been expanded, the GroupExpanded event is raised.