Gets or sets a value that indicates whether a window's client area supports transparency.
Assembly: PresentationFramework (in PresentationFramework.dll)
When the Background property of a window is set to a transparent color, using Transparent for example, the window remains opaque. This means that the desktop and any running applications "beneath" the window cannot be seen. To enable this type of transparency, must be set to true.
Available since 3.0