If true then the FilledRegion will cover the lines and edges of objects behind it. If false then lines and edges will remain visible.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since: 2019

Syntax

C#
`public bool IsMasking { get; set; }`

Visual Basic
`Public Property IsMasking As Boolean Get Set`

Visual C++
`public: property bool IsMasking { bool get (); void set (bool value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentException	When setting this property: In a family a FilledRegionType with a solid fill pattern isMasking must always be true.