.386 
.model flat,stdcall 
option casemap:none

WinMain proto :DWORD,:DWORD,:DWORD,:DWORD

include \masm32\include\windows.inc 
include \masm32\include\user32.inc 
includelib \masm32\lib\user32.lib 
include \masm32\include\kernel32.inc 
includelib \masm32\lib\kernel32.lib 
include \masm32\include\gdi32.inc
includelib \masm32\lib\gdi32.lib
.DATA 
ClassName db "SimpleWinClass",0 
AppName db "Our First Window",0 
OurText db "Win32 assembly is great and easy!",0

.DATA? 
hInstance HINSTANCE ? 
CommandLine LPSTR ?

.CODE 
start: 
    invoke GetModuleHandle, NULL 
    mov    hInstance,eax 
    invoke GetCommandLine
    mov CommandLine,eax
    invoke WinMain, hInstance,NULL,CommandLine, SW_SHOWDEFAULT 
    invoke ExitProcess,eax

WinMain proc hInst:HINSTANCE, hPrevInst:HINSTANCE, CmdLine:LPSTR, CmdShow:DWORD 
    LOCAL wc:WNDCLASSEX 
    LOCAL msg:MSG 
    LOCAL hwnd:HWND 
    mov   wc.cbSize,SIZEOF WNDCLASSEX 
    mov   wc.style, CS_HREDRAW or CS_VREDRAW 
    mov   wc.lpfnWndProc, OFFSET WndProc 
    mov   wc.cbClsExtra,NULL 
    mov   wc.cbWndExtra,NULL 
    push hInst 
    pop   wc.hInstance 
    mov   wc.hbrBackground,COLOR_WINDOW+1 
    mov   wc.lpszMenuName,NULL 
    mov   wc.lpszClassName,OFFSET ClassName 
    invoke LoadIcon,NULL,IDI_APPLICATION 
    mov   wc.hIcon,eax 
    mov   wc.hIconSm,eax 
    invoke LoadCursor,NULL,IDC_ARROW 
    mov   wc.hCursor,eax 
    invoke RegisterClassEx, addr wc 
    invoke CreateWindowEx,NULL,ADDR ClassName,ADDR AppName,\ 
           WS_OVERLAPPEDWINDOW,0,\ 
           0,1000,1000,NULL,NULL,\ 
           hInst,NULL 
    mov   hwnd,eax 
    invoke ShowWindow, hwnd,SW_SHOWNORMAL 
    invoke UpdateWindow, hwnd 
        .WHILE TRUE 
                invoke GetMessage, ADDR msg,NULL,0,0 
                .BREAK .IF (!eax) 
                invoke TranslateMessage, ADDR msg 
                invoke DispatchMessage, ADDR msg 
        .ENDW 
        mov     eax,msg.wParam 
        ret 
WinMain endp

WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM 
    LOCAL hdc:HDC 
    LOCAL ps:PAINTSTRUCT 
    LOCAL rect:RECT 
    LOCAL ase:DWORD
    LOCAL fmx:DWORD
    LOCAL bandw:DWORD
    mov ase,0
    mov fmx,0
    mov bandw,700
    .IF uMsg==WM_DESTROY 
        invoke PostQuitMessage,NULL 
    .ELSEIF uMsg==WM_PAINT 
        invoke BeginPaint,hWnd, ADDR ps 
        mov    hdc,eax 
       invoke GetClientRect,hWnd, ADDR rect



.while ase<=450
mov fmx,0
          .while fmx<=450
          invoke SetPixel,hdc,fmx,ase,546
          inc fmx
          .endw
         
          add ase,30
        .endw


mov fmx,0
        mov ase,0


.while ase<=450
mov fmx,0
    .while fmx<=450
      invoke SetPixel,hdc,ase,fmx,546
       inc fmx
       .endw
        
          add ase,30
        .endw 
        
mov fmx,0
        mov ase,0

        invoke EndPaint,hWnd, ADDR ps 
    .ELSE 
        invoke DefWindowProc,hWnd,uMsg,wParam,lParam 
        ret 
    .ENDIF 
    xor   eax, eax 
    ret 
WndProc endp 
end start