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DrawingContext.PushOpacity Method (Double, AnimationClock)

Pushes the specified opacity setting onto the drawing context and applies the specified animation clock.

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

public abstract void PushOpacity(
	double opacity,
	AnimationClock opacityAnimations


Type: System.Double
The opacity factor to apply to subsequent drawing commands. This factor is cumulative with previous PushOpacity operations.
Type: System.Windows.Media.Animation.AnimationClock
The clock with which to animate the opacity value, or null for no animation. This clock must be created from an AnimationTimeline that can animate Double values.

The opacity is blended into all subsequent drawing commands until it is removed by the Pop command.

.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.