M

IControllableDropHandler.CanExecute

Description:
Implement this method to inform Revit whether the drop event can be executed onto the given view.

Remarks:
Document modifications are not permitted from this callback.

bool CanExecute(
	UIDocument document,
	Object data,
	ElementId dropViewId
)

Function CanExecute ( 
	document As UIDocument,
	data As Object,
	dropViewId As ElementId
) As Boolean

bool CanExecute(
	UIDocument^ document, 
	Object^ data, 
	ElementId^ dropViewId
)

abstract CanExecute : 
        document : UIDocument * 
        data : Object * 
        dropViewId : ElementId -> bool

Return Value Boolean Return true to activate the target view and execute the drop. Return false to cancel the activation and the drop execution.