Gets or sets the name of the Windows class to derive the control from.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The default value for this property is null, indicating that the control is not derived from an existing control class. To derive from an existing control class, store the system class name in this property. For example, to derive from the standard Button control, set this property to "BUTTON".
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.