'宣言 Public Delegate Sub ItemCheckStateChangingEventHandler( _ ByVal sender As Object, _ ByVal e As CancelableItemEventArgs _ )
public delegate void ItemCheckStateChangingEventHandler( object sender, CancelableItemEventArgs e )
Imports System.Diagnostics Imports Infragistics.Win Imports Infragistics.Win.UltraWinExplorerBar Private Sub ultraExplorerBar1_ItemCheckStateChanging(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinExplorerBar.CancelableItemEventArgs) Handles ultraExplorerBar1.ItemCheckStateChanging Debug.WriteLine(String.Format("The check state of item '{0}', from group '{1}', is about to be changed from '{2}'", e.Item, e.Item.Group, e.Item.Checked.ToString())) End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinExplorerBar; private void ultraExplorerBar1_ItemCheckStateChanging(object sender, Infragistics.Win.UltraWinExplorerBar.CancelableItemEventArgs e) { Debug.WriteLine(string.Format("The check state of item '{0}', from group '{1}', is about to be changed from '{2}'", e.Item, e.Item.Group, e.Item.Checked.ToString())); }