Disable "Close" button of command prompt through LabVIEW using Win32 APIs

Hello all,
I am trying to disable the close button of a third party console application that I am invoking through LabVIEW. I tried using GetSystemMenu() and DeleteSystemMenu() from user32.dll, but somewhere I am doing it wrong.
Can anyone can suggest a solution to this?
Thanks!
FraggerFox
-FraggerFox!
Certified LabVIEW Architect, Certified TestStand Developer
"What you think today is what you live tomorrow"
Solved!
Go to Solution.

Do you have the handle to Window? Off hand, I don't know how to delete it, but here is some C# code that I used to grey out the close window button in another project:
        [DllImport("user32.dll")]
        private static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert);
        [DllImport("user32.dll")]
        private static extern bool EnableMenuItem(IntPtr hMenu, uint uIDEnableItem,
           uint uEnable);
        private const Int32 SC_CLOSE = 0xF060;
        private const UInt32 MF_BYCOMMAND    =0x00000000;
        private const UInt32 MF_ENABLED = 0x00000000;
        private const UInt32 MF_GRAYED = 0x00000001;
        private const UInt32 MF_DISABLED = 0x00000002;
        private void EnableClose(bool enable)
            IntPtr pSysMenu = GetSystemMenu(Handle, false);
            if (pSysMenu != null)
                EnableMenuItem(pSysMenu, SC_CLOSE, MF_BYCOMMAND | (enable ? MF_ENABLED : MF_DISABLED));
This was fairly easy to convert over once I had the handle (this is from a library I picked up somewhere).
Hope this helps.
A
Attachments:
WINUTIL.LLB ‏609 KB
DisableCloseButton.vi ‏44 KB

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