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DrawingContext.PushOpacityMask Method

Pushes the specified opacity mask onto the drawing context.

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

public abstract void PushOpacityMask(
	Brush opacityMask


Type: System.Windows.Media.Brush
The opacity mask to apply to subsequent drawings. The alpha values of this brush determine the opacity of the drawing to which it is applied.

The mask is applied to all subsequent drawing commands until it is removed by the Pop operation.

For more information about creating opacity masks, see Opacity Masks Overview.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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