'宣言 Public Delegate Sub CancelableToolEventHandler( _ ByVal sender As Object, _ ByVal e As CancelableToolEventArgs _ )
public delegate void CancelableToolEventHandler( object sender, CancelableToolEventArgs e )
Imports System.Diagnostics Imports Infragistics.Win Imports Infragistics.Win.UltraWinToolbars Private Sub UltraToolbarsManager1_BeforeToolActivate(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinToolbars.CancelableToolEventArgs) Handles UltraToolbarsManager1.BeforeToolActivate Dim dr As DialogResult = MessageBox.Show(Me, "The tool with key '" + e.Tool.Key + "' is about to be activated. Do you want to cancel activation?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo) If dr = DialogResult.Yes Then e.Cancel = True End If End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinToolbars; private void ultraToolbarsManager1_BeforeToolActivate(object sender, Infragistics.Win.UltraWinToolbars.CancelableToolEventArgs e) { DialogResult dr = MessageBox.Show(this, "The tool with key '" + e.Tool.Key + "' is about to be activated. Do you want to cancel activation?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo); if (dr == DialogResult.Yes) e.Cancel = true; }