P

FilledRegionType.BackgroundPatternId

Description:
The background fill pattern Id.

Remarks:
The FillPattern used for a background pattern must have a 'Drafting' target.

public ElementId BackgroundPatternId { get; set; }

Public Property BackgroundPatternId As ElementId
Get
Set

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

Autodesk.Revit.Exceptions.ArgumentException

When setting this property: The element id must represent a valid FillPatternElement. -or- When setting this property: The FillPattern target must be a drafting pattern.
Autodesk.Revit.Exceptions.ArgumentNullException

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