This member overrides Control.GetPreferredSize(Size), and more complete documentation might be available in that topic.
Retrieves the size of a rectangular area into which a control can be fitted.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Windows Phone 8.1, Windows Phone 8, 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.