Gets or sets a value indicating whether the Opacity of the form can be adjusted.
member AllowTransparency : bool with get, set
This property is meaningful only when UI effects are enabled on the host operating system. Changing the property value when UI effects are disabled has no effect.
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.