'宣言 Public Delegate Sub GroupCollapsingEventHandler( _ ByVal sender As Object, _ ByVal e As CancelableGroupEventArgs _ )
public delegate void GroupCollapsingEventHandler( object sender, CancelableGroupEventArgs e )
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; }