DockLayoutManager.MDIItemActivating Event
In This Article
Fires before an MDI child panel is activated.
Namespace: DevExpress.Xpf.Docking
Assembly: DevExpress.Xpf.Docking.v24.2.dll
NuGet Package: DevExpress.Wpf.Docking
#Declaration
#Event Data
The MDIItemActivating event's data class is ItemCancelEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Cancel | Gets or sets whether the current operation must be canceled. |
Handled |
Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route.
Inherited from Routed |
Item |
Gets the currently processed item.
Inherited from Item |
Original |
Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class.
Inherited from Routed |
Routed |
Gets or sets the Routed |
Source |
Gets or sets a reference to the object that raised the event.
Inherited from Routed |
The event data class exposes the following methods:
Method | Description |
---|---|
Invoke |
When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation.
Inherited from Routed |
On |
When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes.
Inherited from Routed |
#Remarks
You can handle this event to prevent an MDI child panel from being activated. To accomplish this task, set the event’s Cancel parameter to true.
See Also