Simple Window - Create window

gistfile1.asm

; create the window 
invoke CreateWindowEx, WS_EX_OVERLAPPEDWINDOW,
                       ADDR szClassName,
                       ADDR szDisplayName,
                       WS_OVERLAPPEDWINDOW,
                       CW_USEDEFAULT, CW_USEDEFAULT, 
                       CW_USEDEFAULT, CW_USEDEFAULT,
                       NULL, NULL, hInst, NULL

; save off the window handle
mov   hWnd,	eax  

; show and update the window
invoke ShowWindow, hWnd, SW_SHOWNORMAL     
invoke UpdateWindow, hWnd