@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The GetSystemMenu API !!!!C# Signature: [DllImport("user32.dll")] static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert); !!!!VB Signature: <DllImport("user32.dll", CallingConvention:=CallingConvention.Cdecl)> _ Private Shared Function GetSystemMenu(ByVal hWnd As IntPtr, ByVal bRevert As Boolean) As IntPtr End Function !!!!User-Defined Types: None. !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Example Usages/Links: Add System Menu Items to WPF Window using Win32 API: http://pietschsoft.com/post/2008/03/27/Add-System-Menu-Items-to-WPF-Window-using-Win32-API.aspx Add System Menu Items to a Form using Windows API: http://pietschsoft.com/post/2008/03/04/Add-System-Menu-Items-to-a-Form-using-Windows-API.aspx !!!!Sample Code: public class RemoveXButton { [System.Runtime.InteropServices.DllImport("user32.dll")] static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert); [System.Runtime.InteropServices.DllImport("user32.dll")] static extern int GetMenuItemCount(IntPtr hMenu); [System.Runtime.InteropServices.DllImport("user32.dll")] static extern bool DrawMenuBar(IntPtr hWnd); [System.Runtime.InteropServices.DllImport("user32.dll")] static extern bool RemoveMenu(IntPtr hMenu, uint uPosition, uint uFlags); private const Int32 MF_BYPOSITION = 0x400; private const Int32 MF_REMOVE = 0x1000; public static void RemoveCloseButton(Form frm) { IntPtr hMenu; int n; hMenu = GetSystemMenu(frm.Handle,false); if(hMenu != IntPtr.Zero) { n = GetMenuItemCount(hMenu); if(n > 0) { RemoveMenu(hMenu, (uint)(n-1), MF_BYPOSITION|MF_REMOVE); RemoveMenu(hMenu, (uint)(n-2), MF_BYPOSITION | MF_REMOVE); DrawMenuBar(frm.Handle); } } } } public class WindowFuncs { [DllImport("user32.dll")] static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert); [DllImport("user32.dll")] static extern bool DrawMenuBar(IntPtr hWnd); [DllImport("user32.dll")] static extern bool DeleteMenu(IntPtr hMenu, uint uPosition, uint uFlags); [DllImport("kernel32.dll")] static extern IntPtr GetConsoleWindow(); private const Int32 MF_GRAYED = 0x1; private const Int32 SC_CLOSE = 0xF060; public static void RemoveConsoleCloseButton() { IntPtr handle = GetConsoleWindow(); IntPtr hMenu = GetSystemMenu(handle, false); DeleteMenu(hMenu, SC_CLOSE, MF_GRAYED); DrawMenuBar(handle); } } !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: GetSystemMenu@msdn on MSDN
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