VisualStyleElement.Window.MdiSysButton Class
Assembly: System.Windows.Forms (in system.windows.forms.dll)
Each property of the VisualStyleElement.Window.MdiSysButton class gets a VisualStyleElement for a different state of the System button of an MDI child window. This button opens the Window menu (also known as the System menu or Control menu) when it is clicked.
Windows XP Home Edition, Windows XP Professional x64 Edition, Windows Server 2003 Platform Note: Visual styles are supported only on these platforms.
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.