GroupCollapsingEventHandler Delegate

Delegate for handling the UltraExplorerBar.GroupCollapsing event.
Public Delegate Sub GroupCollapsingEventHandler( _
   ByVal sender As Object, _
   ByVal e As CancelableGroupEventArgs _
public delegate void GroupCollapsingEventHandler( 
   object sender,
   CancelableGroupEventArgs e


The following code shows how to process the GroupCollapsing event.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Imports System.Diagnostics
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinExplorerBar

	Private Sub ultraExplorerBar1_GroupCollapsing(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinExplorerBar.CancelableGroupEventArgs) Handles ultraExplorerBar1.GroupCollapsing

		' Don't allow the group with key 'Main' to be collapsed
		If (e.Group.Key = "Main") Then
			e.Cancel = True
		End If

	End Sub
using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinExplorerBar;

		private void ultraExplorerBar1_GroupCollapsing(object sender, Infragistics.Win.UltraWinExplorerBar.CancelableGroupEventArgs e)
			// Don't allow the group with key 'Main' to be collapsed
			if (e.Group.Key == "Main")
				e.Cancel = true;

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also