參考資訊:
http://www.winprog.org/tutorial/
http://winapi.freetechsecrets.com/win32/
https://github.com/gammasoft71/Examples_Win32
WM_KEYDOWN、WM_KEYUP是一般鍵盤按鍵事件,而WM_SYSKEYDOWN、WM_SYSKEYUP則是屬於系統按鍵的事件,系統按鍵就是左上角小視窗圖案的那些按鍵命令
WM_KEYDOWN、WM_KEYUP
nVirtKey = (int) wParam; // virtual-key code lKeyData = lParam; // key data
WM_SYSKEYDOWN、WM_SYSKEYUP
nVirtKey = (int) wParam; // virtual-key code lKeyData = lParam; // key data
main.asm
.386 .model flat,stdcall option casemap:none include c:\masm32\include\msvcrt.inc include c:\masm32\include\windows.inc include c:\masm32\include\kernel32.inc include c:\masm32\include\user32.inc includelib c:\masm32\lib\msvcrt.lib includelib c:\masm32\lib\user32.lib includelib c:\masm32\lib\kernel32.lib .data szCaption db "main",0 hWin dd 0 hInstance dd 0 CommandLine dd 0 defWndProc dd 0 buf db 255 dup(0) fmt db "Key: %d",0 .code WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM .if uMsg == WM_KEYDOWN || uMsg == WM_SYSKEYDOWN invoke crt_sprintf, offset buf, offset fmt, wParam invoke SetWindowText, hWnd, offset buf xor eax, eax ret .elseif uMsg == WM_CLOSE invoke DestroyWindow, hWnd xor eax, eax ret .elseif uMsg == WM_DESTROY invoke PostQuitMessage, 0 xor eax, eax ret .endif invoke CallWindowProc, defWndProc, hWnd, uMsg, wParam, lParam ret WndProc endp WinMain proc hInst:DWORD, hPrevInst:DWORD, CmdLine:DWORD, CmdShow:DWORD local msg:MSG invoke CreateWindowEx, WS_EX_LEFT, WC_DIALOG, offset szCaption, WS_OVERLAPPEDWINDOW or WS_VISIBLE, 0, 0, 300, 300, NULL, NULL, NULL, NULL mov hWin, eax invoke SetWindowLong, hWin, GWL_WNDPROC, WndProc mov defWndProc, eax @@: invoke GetMessage, addr msg, NULL, 0, 0 cmp eax, 0 je @f invoke DispatchMessage, addr msg jmp @b @@: mov eax, msg.wParam ret WinMain endp start: invoke GetModuleHandle, NULL mov hInstance, eax invoke GetCommandLine mov CommandLine, eax invoke WinMain, hInstance, NULL, CommandLine, SW_SHOWDEFAULT invoke ExitProcess, eax end start
Line 25~29:將按鍵數值顯示在視窗標題
完成