汇编教程之通用控件

核心提示：在下面的例子中我们将要实验一下进度条和状态条。例子代码：.386.model flat,stdcalloption casemap:noneinclude \masm32\include\windows.incinclude \masm32\include\user32.incinclude \masm32\inclu

在下面的例子中我们将要实验一下进度条和状态条。

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