'宣言 Public MustInherit Class ContextMenuBaseEventArgs Inherits System.ComponentModel.CancelEventArgs
public abstract class ContextMenuBaseEventArgs : System.ComponentModel.CancelEventArgs
Imports Infragistics.Win Imports Infragistics.Win.UltraWinTabs Imports Infragistics.Win.UltraWinTabbedMdi Private WithEvents customMenuItem As Infragistics.Win.IGControls.IGMenuItem = Nothing Private Sub OnCustomMenuItem(ByVal sender As Object, ByVal e As EventArgs) Dim mi As Infragistics.Win.IGControls.IGMenuItem = CType(sender, Infragistics.Win.IGControls.IGMenuItem) ' do some custom action... End Sub Private Sub ultraTabbedMdiManager1_InitializeContextMenu(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTabbedMdi.MdiTabContextMenuEventArgs) Handles ultraTabbedMdiManager1.InitializeContextMenu ' Setting the Cancel parameter to true will prevent the ' context menu from being displayed. ' 'e.Cancel = True ' the 'ContextMenuType' indicates the reason for which ' the context menu is being displayed. ' If e.ContextMenuType = MdiTabContextMenu.Default Then ' the 'Default' type indicates that the user right clicked ' on the tab ' ' the 'Tab' parameter indicates the tab for which ' the context menu is being displayed ' If True Then If Me.customMenuItem Is Nothing Then ' items added to the context menu should be ' of type IGMenuItem so they can be owner drawn ' using the appropriate style being used by ' the context menu Me.customMenuItem = New Infragistics.Win.IGControls.IGMenuItem("Perform Custom Action") AddHandler Me.customMenuItem.Click, New EventHandler(AddressOf Me.OnCustomMenuItem) ' the Image property of the IGMenuItem can ' be used to specify your own menu item. the ' image may be from a file or an integer ' indicating the index of the image in the ' tabbed mdi manager's ImageList 'Me.customMenuItem.Image = Image.FromFile("C:\menuItemImage.bmp") Me.customMenuItem.Image = 0 End If ' the 'ContextMenu' parameter can be used to manipulate ' the default menu items or add your own e.ContextMenu.MenuItems.Add(Me.customMenuItem) End If ElseIf e.ContextMenuType = MdiTabContextMenu.Reposition Then ' A ContextMenuType of Reposition is used when the user ' drags a tab into an area within the mdi client but ' not on a tab group control. ' ' Items in the specified 'ContextMenu' parameter may be ' manipulated. ' Dim item As MenuItem For Each item In e.ContextMenu.MenuItems ' the GetMenuType method can be used to determine ' the action associated with a particular menu ' item Select Case e.GetMenuType(item) Case MdiTabMenuItems.Cancel Case MdiTabMenuItems.CancelSeparator ' we'll hide the cancel and cancel separator. ' Note: if all the menu items are hidden ' no context menu will be displayed ' item.Visible = False Exit For End Select Next End If End Sub
using Infragistics.Win; using Infragistics.Win.UltraWinTabs; using Infragistics.Win.UltraWinTabbedMdi; private Infragistics.Win.IGControls.IGMenuItem customMenuItem = null; private void OnCustomMenuItem( object sender, EventArgs e ) { Infragistics.Win.IGControls.IGMenuItem mi = sender as Infragistics.Win.IGControls.IGMenuItem; // do some custom action... } private void ultraTabbedMdiManager1_InitializeContextMenu(object sender, Infragistics.Win.UltraWinTabbedMdi.MdiTabContextMenuEventArgs e) { // Setting the Cancel parameter to true will prevent the // context menu from being displayed. // //e.Cancel = true; // the 'ContextMenuType' indicates the reason for which // the context menu is being displayed. // if (e.ContextMenuType == MdiTabContextMenu.Default) { // the 'Default' type indicates that the user right clicked // on the tab // // the 'Tab' parameter indicates the tab for which // the context menu is being displayed // if (true) //e.Tab.Key == "Custom") { if (this.customMenuItem == null) { // items added to the context menu should be // of type IGMenuItem so they can be owner drawn // using the appropriate style being used by // the context menu this.customMenuItem = new Infragistics.Win.IGControls.IGMenuItem("Perform Custom Action"); this.customMenuItem.Click += new EventHandler(this.OnCustomMenuItem); // the Image property of the IGMenuItem can // be used to specify your own menu item. the // image may be from a file or an integer // indicating the index of the image in the // tabbed mdi manager's ImageList //this.customMenuItem.Image = Image.FromFile(@"C:\menuItemImage.bmp"); this.customMenuItem.Image = 0; } // the 'ContextMenu' parameter can be used to manipulate // the default menu items or add your own e.ContextMenu.MenuItems.Add(this.customMenuItem); } } else if (e.ContextMenuType == MdiTabContextMenu.Reposition) { // A ContextMenuType of Reposition is used when the user // drags a tab into an area within the mdi client but // not on a tab group control. // // Items in the specified 'ContextMenu' parameter may be // manipulated. // foreach(MenuItem item in e.ContextMenu.MenuItems) { // the GetMenuType method can be used to determine // the action associated with a particular menu // item switch(e.GetMenuType(item)) { case MdiTabMenuItems.Cancel: case MdiTabMenuItems.CancelSeparator: // we'll hide the cancel and cancel separator. // Note: if all the menu items are hidden // no context menu will be displayed // item.Visible = false; break; } } } }