How to disable close "X" button in DOS

[BC_Programmer]

Using the API you can programmatically:

Acquire the System menu of the window. (GetSystemMenu(HWND))

Call EnableMenuItem() with the appropriate flags and the SC_CLOSE ID (0x060).

the "X" button as well as the close menu option will be disabled.


Problem being, I don't think this works for command-windows,  they are a system-managed class (even uxtheme.dll can't work with them- ever notice the lack of Luna themes on cmd windows?

Also, they might use a different ID for the menu items.

[Geek-9pm]

Hello B.C.
well, what I intended was a suggested him that he writes the entire thing in Visual Basic or visuals see instead of doing it in a batch command.  And if those function calls are available in Visual Basic that would be persuaded to.
On the Microsoft might he can download or near copies of Visual Basic that do not require that.net stuff.
He and, this is done with voice recognition.  To some funny things.   

[Batcher]

You need a command line tool gray.exe. Then call it in your bat.

Code: [Select]

@echo off
rem Call gray.exe to disable "X" button
start /b gray.exe
rem Your commands below
echo This is a test
rem Kill process gray.exe to enable "X" button after your commands finished
taskkill /f /im gray.exe>nul
pause


[Dias de verano]

To some funny things.   

To some stupid things 

[Dias de verano]

You need a command line tool gray.exe.

Does it exist?

[gh0std0g74]

@OP, i am not into windows login stuff, but i believe if you are having some sort of ActiveDirectory or LDAP where information of users are stored, there is no need to prompt user for any input. You just need a little bit scripting to get those information from the data store.

[Batcher]

Does it exist?

Yes, it does. I got it from a friend.

If you have interesting, I can email it to you. It's free : )

[Dias de verano]

Yes, it does. I got it from a friend.

If you have interesting, I can email it to you. It's free : )

We don't do things that way on here.

[Batcher]

We don't do things that way on here.

Sorry, I am newbee here. I am not familiar with the rules yet.

[BC_Programmer]

lol. I love that "I got it from a friend" bit. way to be conspicuous.

[Batcher]

lol. I love that "I got it from a friend" bit. way to be conspicuous.

That gray.exe is developed using C++. If you're interested in the source code, I can try ask it from him.

[Reno]

Using the API you can programmatically:

Acquire the System menu of the window. (GetSystemMenu(HWND))

Call EnableMenuItem() with the appropriate flags and the SC_CLOSE ID (0x060).

the "X" button as well as the close menu option will be disabled.

pseudocode based on BC_programmer workflow as mentioned above, working vb6 code below:

Code: [Select]

Private Declare Function FindWindow Lib "user32.dll" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function GetSystemMenu Lib "user32.dll" (ByVal hwnd As Long, ByVal bRevert As Long) As Long
Private Declare Function RemoveMenu Lib "user32.dll" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long
Private Const SC_CLOSE As Long = &HF060&

Sub main()
    hwnd = FindWindow("ConsoleWindowClass", vbNullString)
    If hwnd = 0 Then MsgBox "Console not running": Exit Sub
    RemoveMenu GetSystemMenu(hwnd, 0), SC_CLOSE, 0
End Sub

[BC_Programmer]

a good method to get the handle to the proper window, instead of findwindow (we can never know what it'll find, if there is more then one instance) is to use LINK to change the subsystem to CONSOLE and then use the console functions to determine the hwnd of the console window itself, which can be used as presented here.

[Reno]

bc, which api are you refering to get current console hwnd? care to shed some light on me, plz 

you are correct, the above code only for one instance of console.

[BC_Programmer]

W2K and up support GetConsoleWindow().

Code: [Select]

Private Declare Function GetConsoleWindow Lib "kernel32" () As Long

otherwise, you'd need to take the tortuous path.

This is the property from the Console Module I use...

of course... you could just use the module in a small program to change the system menu...

Some of the variables are member variables and the API's need to be declared as well. I'd visit the url given in the comments.

Code: [Select]

  ' 124103 - HOWTO: Obtain a Console Window Handle (HWND)
   ' http://support.microsoft.com/default.aspx?scid=KB;en-us;q124103
   Dim os As OSVERSIONINFO
   Dim Title As String
   Dim Unique As String
   Dim nRet As Long

   ' Returned cached value, if possible.
   If m_hWnd = 0 Then
      ' Determine what operating system this is.
      os.dwOSVersionInfoSize = Len(os)
      Call GetVersionEx(os)

      If os.dwPlatformId = VER_PLATFORM_WIN32_NT _
         And os.dwMajorVersion >= 5 Then
         ' This is Windows2000 or later!
         m_hWnd = GetConsoleWindow()

      Else ' Take the tortuous path...
         ' Cache the associated title.
         Title = Space$(1024)
         nRet = GetConsoleTitle(Title, Len(Title))
         If nRet Then
            Title = Left$(Title, nRet)
         End If

         ' Construct unique string to use as new title.
         Unique = Format$(Now, "yyyymmddhhnnss") & Hex$(GetCurrentProcessId())

         ' Set new title to use for search.
         If SetConsoleTitle(Unique) Then
            ' Find window most likely to be our console.
            m_hWnd = FindConsole(Unique)
            ' Restore original title.
            Call SetConsoleTitle(Title)
         End If
      End If
   End If
   hWnd = m_hWnd