バージョン

AllowClosing プロパティ

タブが閉じるかどうかを示す値を取得または設定します。
シンタックス
'宣言
 
Public Property AllowClosing As Infragistics.Win.DefaultableBoolean
public Infragistics.Win.DefaultableBoolean AllowClosing {get; set;}
例外
例外解説
System.ComponentModel.InvalidEnumArgumentException指定された値は、Infragistics.Win.DefaultableBoolean 列挙体で定義されません。
解説

このプロパティが Default の場合、タブが閉じることができるかどうかを決定するために AllowTabClosing の値が使用されます。

使用例
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinTabs

' Place close buttons in all the tabs of the tab control.
Me.UltraTabControl1.CloseButtonLocation = TabCloseButtonLocation.Tab

' Disable the close button in the first tab.
' This will also prevent middle clicking on the tab from closing it.
Me.UltraTabControl1.Tabs(0).AllowClosing = Infragistics.Win.DefaultableBoolean.False

' The second tab's close button should come before the image and text of the tab.
Me.UltraTabControl1.Tabs(1).CloseButtonAlignment = TabCloseButtonAlignment.BeforeContent

' The third tab should only display a close button when it is the selected tab.
Me.UltraTabControl1.Tabs(2).CloseButtonVisibility = TabCloseButtonVisibility.WhenSelected
using System.Windows.Forms;
using Infragistics.Win;
using Infragistics.Win.UltraWinTabs;

// Place close buttons in all the tabs of the tab control.
this.ultraTabControl1.CloseButtonLocation = TabCloseButtonLocation.Tab;

// Disable the close button in the first tab.
// This will also prevent middle clicking on the tab from closing it.
this.ultraTabControl1.Tabs[ 0 ].AllowClosing = DefaultableBoolean.False;

// The second tab's close button should come before the image and text of the tab.
this.ultraTabControl1.Tabs[ 1 ].CloseButtonAlignment = TabCloseButtonAlignment.BeforeContent;

// The third tab should only display a close button when it is the selected tab.
this.ultraTabControl1.Tabs[ 2 ].CloseButtonVisibility = TabCloseButtonVisibility.WhenSelected;
参照