DiagramControl.QueryItemEditAction Event

Fires each time the end-user attempts to initiate text editing to edit the text within a diagram item.

Namespace: DevExpress.Xpf.Diagram

Assembly: DevExpress.Xpf.Diagram.v20.1.dll


public event EventHandler<DiagramQueryItemEditActionEventArgs> QueryItemEditAction
Public Event QueryItemEditAction As EventHandler(Of DiagramQueryItemEditActionEventArgs)

Event Data

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

Property Description
Allow Specifies whether to allow editing the item's text.
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.
Item Returns the item whose text the end-user is attempting to edit.
OriginalSource Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.
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 Item property returns the diagram item for which the end-user attempts to initiate text editing. Set the event's Allow property to false to prevent the end-user from initiating text editing.

See Also