Fires each time the end-user attempts to initiate text editing to edit the text within a diagram item.
public event EventHandler<DiagramQueryItemEditActionEventArgs> QueryItemEditAction
Public Event QueryItemEditAction As EventHandler(Of DiagramQueryItemEditActionEventArgs)
The QueryItemEditAction event's data class is DiagramQueryItemEditActionEventArgs. The following properties provide information specific to this event:
|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 event data class exposes the following methods:
|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.|
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.