@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The RemoveMenu API !!!!C# Signature: [DllImport("user32.dll")] static extern bool RemoveMenu(IntPtr hMenu, uint uPosition, uint uFlags); !!!!User-Defined Types: None. !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!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) { //Removes the actual Close button RemoveMenu(hMenu, (uint)(n-1), MF_BYPOSITION|MF_REMOVE); //Removes the seperator between the Close button and the Maximize button RemoveMenu(hMenu, (uint)(n-2), MF_BYPOSITION | MF_REMOVE); DrawMenuBar(frm.Handle); } } } } !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: RemoveMenu@msdn on MSDN
Edit user32.RemoveMenu
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