P

Part.OriginalCategoryId

Description:
The category Id of the original element corresponding to this Part.

public ElementId OriginalCategoryId { get; set; }

Public Property OriginalCategoryId As ElementId
Get
Set

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

Autodesk.Revit.Exceptions.ArgumentException

When setting this property: dPartOriginalCategoryId is not an available member of the original category ids of the elements which formed this Part.
Autodesk.Revit.Exceptions.ArgumentNullException

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