ColorFillSchemeEntry.FillPatternId Property

The id of fill pattern element of this entry.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)

Syntax

public ElementId FillPatternId { get; set; }

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

InvalidElementid represents no pattern, that means there would be nothing to be filled for elements colored based on this entry.
Only fill pattern elements whose fill pattern target is drafting is valid for color fill scheme.