WorkflowEditorViewModelDropDelegate - делегат

Public Delegate Function DropDelegate ( 
	data As IDataObject,
	dropPoint As Point,
	Optional cancellationToken As CancellationToken = Nothing
) As Task

public delegate Task^ DropDelegate(
	IDataObject^ data, 
	Point^ dropPoint, 
	CancellationToken cancellationToken = CancellationToken()
)

type DropDelegate = 
    delegate of 
        data : IDataObject * 
        dropPoint : Point * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task