バージョン

CancelableToolEventArgs クラス

ツールを引数として渡すキャンセル可能なイベントに使用されるイベントパラメーター。
シンタックス
'宣言
 
Public Class CancelableToolEventArgs 
   Inherits System.ComponentModel.CancelEventArgs
public class CancelableToolEventArgs : System.ComponentModel.CancelEventArgs 
使用例
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;

		}
参照