'宣言 Public Class CancelableContextMenuInitializingEventArgs Inherits System.ComponentModel.CancelEventArgs
public class CancelableContextMenuInitializingEventArgs : System.ComponentModel.CancelEventArgs
Imports System.Diagnostics Imports Infragistics.Win Imports Infragistics.Win.IGControls Imports Infragistics.Win.UltraWinExplorerBar Private Sub ultraExplorerBar1_ContextMenuInitializing(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinExplorerBar.CancelableContextMenuInitializingEventArgs) Handles ultraExplorerBar1.ContextMenuInitializing ' Add a menuitem of our own to the context menu if the group header was clicked. If (e.ClickArea = ClickArea.GroupHeader) Then ' Reset the group header context menu to remove any menuitems we may have added previously. Me.ultraExplorerBar1.ResetGroupHeaderContextMenu() Dim myMenuitem As IGMenuItem = New IGMenuItem("Manage Group", New EventHandler(AddressOf Me.OnMenuItemClicked)) e.ContextMenu.MenuItems.Add(myMenuitem) End If End Sub Private Sub OnMenuItemClicked(ByVal sender As Object, ByVal e As EventArgs) ' Do something to respond to the click of the menuitem we added. End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.IGControls; using Infragistics.Win.UltraWinExplorerBar; private void ultraExplorerBar1_ContextMenuInitializing(object sender, Infragistics.Win.UltraWinExplorerBar.CancelableContextMenuInitializingEventArgs e) { // Add a menuitem of our own to the context menu if the group header was clicked. if (e.ClickArea == ClickArea.GroupHeader) { // Reset the group header context menu to remove any menuitems we may have added previously. this.ultraExplorerBar1.ResetGroupHeaderContextMenu(); IGMenuItem myMenuitem = new IGMenuItem("Manage Group", new EventHandler(this.OnMenuItemClicked)); e.ContextMenu.MenuItems.Add(myMenuitem); } } internal void OnMenuItemClicked(object sender, EventArgs e) { // Do something to respond to the click of the menuitem we added. }