Gets or sets the opacity of the Viewport3DVisual.
Assembly: PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
Property ValueType: System.Double
The value of the Opacity property is expressed as a value between 0 and 1, specifying a range from fully transparent to fully opaque. A value of 0 indicates that the Opacity is completely transparent, while a value of 1 indicates that the Opacity is completely opaque. A value 0.5 would indicate the Opacity is 50% opaque, a value of 0.725 would indicate the Opacity is 72.5% opaque, and so on. Values less than 0 are treated as 0, while values greater than 1 are treated as 1.
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.