windowsforms-devexpress-dot-xtratabbedmdi-dot-xtratabbedmdimanager-55a1e7bf.md
Allows you to cancel docking a floating page onto the XtraTabbedMdiManager.
Namespace : DevExpress.XtraTabbedMdi
Assembly : DevExpress.XtraBars.v25.2.dll
NuGet Package : DevExpress.Win.Navigation
[DXCategory("Events")]
public event FloatingCancelEventHandler BeginDocking
<DXCategory("Events")>
Public Event BeginDocking As FloatingCancelEventHandler
The BeginDocking event's data class is DevExpress.XtraTabbedMdi.FloatingCancelEventArgs.
If the XtraTabbedMdiManager.FloatOnDrag option is enabled, a page can be made floating by dragging its tab header away from the XtraTabbedMdiManager‘s header region. The floating page can then be docked back onto the XtraTabbedMdiManager via drag-and-drop. When docking a floating page, the following events fire:
XtraTabbedMdiManager.BeginDocking - Fires before a floating page is docked to the XtraTabbedMdiManager. This event allows you to cancel the operation.See Also