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ContainerVisual.OpacityMask Property

Gets or sets a brush that specifies a possible opacity mask for the ContainerVisual.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

public Brush OpacityMask { get; set; }

Property Value

Type: System.Windows.Media.Brush
A value of type Brush that represents the opacity mask value of the ContainerVisual.

Opacity masks can be used to create effects such as vignettes, based on the alpha channel values of the brush.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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