[win32] - how do a normaly alt key + letter key?

heres my code for keyown:

Code:

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static char altkey;
    static bool keypress=false;

//.................
case WM_KEYUP:
            //exit the program
            if(wParam==VK_ESCAPE)
            {
                DestroyWindow(hwnd);
            }
            keypress=false;
            return 0;
case WM_KEYDOWN:
            if (KeyPressed(VK_MENU))
            {
                if(KeyPressed(altkey) && keypress==false)
                {
                    SendMessage(hwnd,WM_COMMAND,BN_CLICKED,0);
                    keypress=true;
                }
            }
            return 0;

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i need these code works like the alt key combination, but seems that only works, when i press on that 2 keys in same time :(
so how can i press alt+altkey without be in same time?
(if the question is confused think on underline button caption letters('&'))

Sorry i am confused, do you want to press eg <ctrl>-<alt>-<del> in a sequence instead of in one time stroke ? <ctrl> and <alt> as i remember them do not create standard key strokes but some extended codes. This forces you to read some other "register" to see if these are pressed or not, as they do not create code alone in "normal" keybuffer readings. Fair enough i might remember wrong :-).

Quote:

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Originally Posted by Romme

Sorry i am confused, do you want to press eg <ctrl>-<alt>-<del> in a sequence instead of in one time stroke ? <ctrl> and <alt> as i remember them do not create standard key strokes but some extended codes. This forces you to read some other "register" to see if these are pressed or not, as they do not create code alone in "normal" keybuffer readings. Fair enough i might remember wrong :-).

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the button caption is: "&hello"
i need activate the alt + h(like you see in caption) for activate the mouse click