'宣言 Public Delegate Sub ActiveItemChangingEventHandler( _ ByVal sender As Object, _ ByVal e As CancelableItemEventArgs _ )
public delegate void ActiveItemChangingEventHandler( object sender, CancelableItemEventArgs e )
Imports System.Diagnostics Imports Infragistics.Win Imports Infragistics.Win.UltraWinExplorerBar Private Sub ultraExplorerBar1_ActiveItemChanging(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinExplorerBar.CancelableItemEventArgs) Handles ultraExplorerBar1.ActiveItemChanging ' Don't allow the ActiveItem to change if the current active item has a key of 'Tools' If (e.Item.Key = "Tools") Then e.Cancel = True End If End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinExplorerBar; private void ultraExplorerBar1_ActiveItemChanging(object sender, Infragistics.Win.UltraWinExplorerBar.CancelableItemEventArgs e) { // Don't allow the ActiveItem to change if the current active item has a key of 'Tools' if (e.Item.Key == "Tools") e.Cancel = true; }