windowsforms-devexpress-dot-xtralayout-dot-layoutcontrol-4a376f46.md
Fires after a layout group has been expanded/collapsed.
Namespace : DevExpress.XtraLayout
Assembly : DevExpress.XtraLayout.v25.2.dll
NuGet Package : DevExpress.Win.Navigation
[DXCategory("Behavior")]
public event LayoutGroupEventHandler GroupExpandChanged
<DXCategory("Behavior")>
Public Event GroupExpandChanged As LayoutGroupEventHandler
The GroupExpandChanged event's data class is LayoutGroupEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Group | Gets the group currently being processed. |
The GroupExpandChanged event is raised after a Layout Groups‘s expanded state has been changed. This occurs when an end-user clicks the group’s expand button or the value of its LayoutGroup.Expanded property has been changed in code.
This event serves only as a notification. To control whether particular layout groups can be expanded/collapsed, handle the LayoutControl.GroupExpandChanging event.
See Also