P

ATFBaseExportOptions.ViewId

Description:
The element id of the 3D view to export. InvalidElementId by default.

public ElementId ViewId { get; set; }

Public Property ViewId As ElementId
Get
Set

public:
property ElementId^ ViewId {
	ElementId^ get ();
	void set (ElementId^ value);
}

Autodesk.Revit.Exceptions.ArgumentNullException

When setting this property: A non-optional argument was null