DiagramControl.CustomItemDragResult Event

Occurs before a drag and drop operation is completed.

Namespace: DevExpress.Xpf.Diagram

Assembly: DevExpress.Xpf.Diagram.v20.2.dll

NuGet Packages: DevExpress.WindowsDesktop.Wpf.Diagram, DevExpress.Wpf.Diagram

Declaration

C#

public event EventHandler<DiagramCustomItemDragResultEventArgs> CustomItemDragResult

VB.NET

Public Event CustomItemDragResult As EventHandler(Of DiagramCustomItemDragResultEventArgs)

Event Data

The CustomItemDragResult event's data class is DiagramCustomItemDragResultEventArgs. The following properties provide information specific to this event:

Property	Description
Canceled	Indicates whether the drag-and-drop operation has been 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 RoutedEventArgs.
Items	Returns the list of items that are objects of the drag-and-drop operation.
OriginalSource	Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.
Result	Returns the drag-and-drop operation result.
RoutedEvent	Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs.
Source	Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs.

The event data class exposes the following methods:

Method	Description
InvokeEventHandler(Delegate, Object)	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 RoutedEventArgs.
OnSetSource(Object)	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 RoutedEventArgs.

Remarks

Handle the CustomItemDragResult event to implement drag and drop between the current DiagramControl and another control.