例子代码：
.386
.model flat,stdcall
option casemap:none
include /masm32/include/windows.inc
include /masm32/include/user32.inc
include /masm32/include/kernel32.inc
include /masm32/include/comctl32.inc
includelib /masm32/lib/comctl32.lib
includelib /masm32/lib/user32.lib
includelib /masm32/lib/kernel32.lib
WinMain PROTO :DWORD,:DWORD,:DWORD,:DWORD .const
IDC_PROGRESS equ 1 ; control IDs
IDC_STATUS equ 2
IDC_TIMER equ 3 .data
ClassName db "CommonControlWinClass",0
AppName db "Common Control Demo",0
ProgressClass db "msctls_progress32",0 ; the class name of the progress bar
Message db "Finished!",0
TimerID dd 0 .data?
hInstance HINSTANCE ?
hwndProgress dd ?
hwndStatus dd ?
CurrentStep dd ?
.code
start:
invoke GetModuleHandle, NULL
mov hInstance,eax
invoke WinMain, hInstance,NULL,NULL, SW_SHOWDEFAULT
invoke ExitProcess,eax
invoke InitCommonControls 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_APPWORKSPACE
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,WS_EX_CLIENTEDGE,ADDR ClassName,ADDR AppName,/
WS_OVERLAPPED+WS_CAPTION+WS_SYSMENU+WS_MINIMIZEBOX+WS_MAXIMIZEBOX+WS_VISIBLE,CW_USEDEFAULT,/
CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,/
hInst,NULL
mov hwnd,eax
.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
.if uMsg==WM_CREATE
invoke CreateWindowEx,NULL,ADDR ProgressClass,NULL,/
WS_CHILD+WS_VISIBLE,100,/
200,300,20,hWnd,IDC_PROGRESS,/
hInstance,NULL
mov hwndProgress,eax
mov eax,1000 ; the lParam of PBM_SETRANGE message contains the range
mov CurrentStep,eax
shl eax,16 ; the high range is in the high word
invoke SendMessage,hwndProgress,PBM_SETRANGE,0,eax
invoke SendMessage,hwndProgress,PBM_SETSTEP,10,0
invoke CreateStatusWindow,WS_CHILD+WS_VISIBLE,NULL,hWnd,IDC_STATUS
mov hwndStatus,eax
invoke SetTimer,hWnd,IDC_TIMER,100,NULL ; create a timer
mov TimerID,eax
.elseif uMsg==WM_DESTROY
invoke PostQuitMessage,NULL
.if TimerID!=0
invoke KillTimer,hWnd,TimerID
.endif
.elseif uMsg==WM_TIMER ; when a timer event occurs
invoke SendMessage,hwndProgress,PBM_STEPIT,0,0 ; step up the progress in the progress bar
sub CurrentStep,10
.if CurrentStep==0
invoke KillTimer,hWnd,TimerID
mov TimerID,0
invoke SendMessage,hwndStatus,SB_SETTEXT,0,addr Message
invoke MessageBox,hWnd,addr Message,addr AppName,MB_OK+MB_ICONINFORMATION
invoke SendMessage,hwndStatus,SB_SETTEXT,0,0
invoke SendMessage,hwndProgress,PBM_SETPOS,0,0
.endif
.else
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.endif
xor eax,eax
ret
WndProc endp
end start
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