windowsforms-devexpress-dot-xtratab-dot-xtratabcontrol-0bc299b1.md
Occurs when the Close button displayed within the XtraTabControl’s header is clicked.
Namespace : DevExpress.XtraTab
Assembly : DevExpress.XtraEditors.v25.2.dll
NuGet Package : DevExpress.Win.Navigation
[DXCategory("Behavior")]
public event EventHandler CloseButtonClick
<DXCategory("Behavior")>
Public Event CloseButtonClick As EventHandler
The CloseButtonClick event's data class is EventArgs.
The Close button’s visibility is controlled by the XtraTabControl.HeaderButtons, XtraTabControl.HeaderButtonsShowMode and XtraTabControl.ClosePageButtonShowMode properties.
By default, clicking this button has no effect. You can handle the CloseButtonClick event to implement an appropriate behavior (for instance, hide the currently active tab page).
The event’s e parameter represents an instance of the ClosePageButtonEventArgs class. It provides information on the page whose Close button has been clicked.
The following example shows how to hide tab pages in the XtraTabControl when their Close buttons are clicked. To respond to clicking Close buttons, the XtraTabControl.CloseButtonClick event is handled.
using DevExpress.XtraTab;
using DevExpress.XtraTab.ViewInfo;
private void xtraTabControl1_CloseButtonClick(object sender, EventArgs e) {
ClosePageButtonEventArgs arg = e as ClosePageButtonEventArgs;
(arg.Page as XtraTabPage).PageVisible = false;
}
Imports DevExpress.XtraTab
Imports DevExpress.XtraTab.ViewInfo
Private Sub XtraTabControl1_CloseButtonClick(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles XtraTabControl1.CloseButtonClick
Dim arg As ClosePageButtonEventArgs = TryCast(e, ClosePageButtonEventArgs)
TryCast(arg.Page, XtraTabPage).PageVisible = False
End Sub
See Also