C#

shah_tech wrote:

C:\>\\XYZ\C$\abc.exe

Creamboy wrote:

And it should not respond to command keys, like Alt+F4, Alt+Tab and Ctrl+Alt+Del

Greeeg wrote:

Alt+Tab: You need to write a keyboard hook to disable this key combination

private const System.Int32 SC_CLOSE   = 0xF060 ;
private const System.Int32 MF_ENABLED = 0x0000 ;
private const System.Int32 MF_GRAYED  = 0x0001 ;

/* http://msdn2.microsoft.com/en-us/library/ms647985(VS.85).aspx */
[
    System.Runtime.InteropServices.DllImportAttribute
    (
        "User32"
    ,
        SetLastError=true
    ,
        EntryPoint="GetSystemMenu"
    )
]
private static extern System.IntPtr
API_GetSystemMenu
(
    System.IntPtr  hWnd
,
    System.Boolean bRevert
) ;

/* http://msdn2.microsoft.com/en-us/library/ms647636.aspx */
[
    System.Runtime.InteropServices.DllImportAttribute
    (
        "User32"
    ,
        SetLastError=true
    ,
        EntryPoint="EnableMenuItem"
    )
]
private static extern System.Int32
API_EnableMenuItem
(
    System.IntPtr hMenu
,
    System.UInt32 uIDEnableItem
,
    System.UInt32 uEnable
) ;


public static bool
DisableSystemMenuClose
(
    System.Windows.Forms.Form Target
)
{
    return ( API_EnableMenuItem
    (
        API_GetSystemMenu
        (
            Target.Handle
        ,
            false
        )
    ,
        SC_CLOSE
    ,
        MF_GRAYED
    ) != -1 ) ;
}

public static bool
EnableSystemMenuClose
(
    System.Windows.Forms.Form Target
)
{
    return ( API_EnableMenuItem
    (
        API_GetSystemMenu
        (
            Target.Handle
        ,
            false
        )
    ,
        SC_CLOSE
    ,
        MF_ENABLED
    ) != -1 ) ;
}