try the following:
public const int SW_MAXIMIZE = 3; private delegate bool EnumDesktopWindowsDelegate(IntPtr hWnd, int lParam); [DllImport("user32.dll")] static extern bool EnumDesktopWindows(IntPtr hDesktop, EnumDesktopWindowsDelegate lpfn, IntPtr lParam); [DllImport("user32.dll", EntryPoint="FindWindow", SetLastError = true)] public static extern IntPtr FindWindowByCaption(IntPtr ZeroOnly, string lpWindowName); [DllImport("USER32.DLL")] public static extern bool ShowWindow(IntPtr hWnd,int nCmdShow);
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