UIApplicationDoDragDrop(Object, IDropHandler) Method

Initiates a drag and drop operation with a custom drop implementation.

Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public static void DoDragDrop(
	Object dropData,
	IDropHandler handler
)

Public Shared Sub DoDragDrop ( 
	dropData As Object,
	handler As IDropHandler
)

public:
static void DoDragDrop(
	Object^ dropData, 
	IDropHandler^ handler
)

static member DoDragDrop : 
        dropData : Object * 
        handler : IDropHandler -> unit

Parameters

dropData Object: Any arbitrary data to be passed to the drop handler when the drop occurs.
handler IDropHandler: The handler to be executed when the drop occurs.

Exceptions

Exception	Condition
ArgumentNullException	Thrown when dropData or handler is .

Remarks

When the user inputs IControllableDropHandler, it allows the handler to verify whether the drop event can be executed on the given view; When the user inputs IDropHandler the handler will be executed without any condition.

Reference

UIApplication Class

DoDragDrop Overload

Autodesk.Revit.UI Namespace