'宣言 Public Delegate Sub GroupAddingEventHandler( _ ByVal sender As Object, _ ByVal e As CancelableGroupEventArgs _ )
public delegate void GroupAddingEventHandler( object sender, CancelableGroupEventArgs e )
Imports System.Diagnostics Imports Infragistics.Win Imports Infragistics.Win.UltraWinExplorerBar Private Sub ultraExplorerBar1_GroupAdding(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinExplorerBar.CancelableGroupEventArgs) Handles ultraExplorerBar1.GroupAdding ' Don't add the group to be added if we already have more than 10 groups. If (Me.ultraExplorerBar1.Groups.Count > 10) Then e.Cancel = True End If End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinExplorerBar; private void ultraExplorerBar1_GroupAdding(object sender, Infragistics.Win.UltraWinExplorerBar.CancelableGroupEventArgs e) { // Don't add the group to be added if we already have more than 10 groups. if (this.ultraExplorerBar1.Groups.Count > 10) e.Cancel = true; }