32-bit assembler in Windows C code-Chapter 5 (1)

(1) menu and acceleration key

 

# Include <windows. h> <br/> # include "Resource. h "</p> <p> TCHARszBuffer [128]; <br/> TCHARszClassName [] = TEXT (" Menu Example "); <br/> TCHARszCaptionMain [] = TEXT ("Menu"); <br/> TCHAR szCaption [] = TEXT ("Menu selection "); <br/> TCHARszMenuHelp [] = TEXT ("help topic (& H )"); <br/> TCHARszMenuAbout [] = TEXT ("about this program (& )... "); <br/> TCHARszFormat [] = TEXT (" you have selected the menu command: % 08x "); <br/> HWNDhMainWnd; <br/> HMENUhMenu; <br/> HMENUhSubMenu; <br/> HACCELhAccelerator; </p> <p> VOID DisplayMenuItem (DWORD dwCommandID) <br/>{< br/> wsprintf (szBuffer, szFormat, dwCommandID); <br/> MessageBox (hMainWnd, szBuffer, szCaption, MB_ OK); <br/>}</p> <p> VOID Quit () <br/>{< br/> DestroyWindow (hMainWnd); <br/> PostQuitMessage (0 ); <br/>}</p> <p> lresult callback ProcWinMain (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) <br/>{< br/> POINTstPt; <br/> HMENUhSysMenu; </p> <p> switch (uMsg) <br/> {<br/> case WM_CREATE: <br/> hSubMenu = GetSubMenu (hMenu, 1); <br/> hSysMenu = GetSystemMenu (hWnd, FALSE); <br/> AppendMenu (hSysMenu, MF_SEPARATOR, 0, NULL); <br/> AppendMenu (hSysMenu, 0, IDM_HELP, szMenuHelp); <br/> AppendMenu (hSysMenu, 0, IDM_ABOUT, szMenuAbout); <br/> return 0; </p> <p> case WM_COMMAND: <br/> DisplayMenuItem (wParam); <br/> switch (LOWORD (wParam) <br/>{< br/> case IDM_EXIT: <br/> Quit (); <br/> return 0; <br/> case IDM_TOOLBAR: <br/> case IDM_TOOLBARTEXT: <br/> case IDM_INPUTBAR: <br/> case IDM_STATUSBAR: <br/> if (MF_CHECKED = GetMenuState (hMenu, (UINT) wParam, MF_BYCOMMAND) <br/>{< br/> CheckMenuItem (hMenu, (UINT) wParam, MF_UNCHECKED); <br/>}< br/> else <br/>{< br/> CheckMenuItem (hMenu, (UINT) wParam, MF_CHECKED ); <br/>}< br/> return 0; <br/> case IDM_BIG: <br/> case IDM_SMALL: <br/> case IDM_LIST: <br/> case IDM_DETAIL: <br/> CheckMenuRadioItem (hMenu, IDM_BIG, IDM_DETAIL, LOWORD (wParam), MF_BYCOMMAND); <br/> return 0; <br/>}< br/> break; <br/> caseWM_SYSCOMMAND: <br/> switch (LOWORD (wParam) <br/>{< br/> caseIDM_HELP: <br/> caseIDM_ABOUT: <br/> DisplayMenuItem (wParam); <br/> return 0; <br/> default: <br/> return DefWindowProc (hWnd, uMsg, wParam, lParam ); <br/>}< br/> break; <br/> case WM_RBUTTONDOWN: <br/> GetCursorPos (& stPt); <br/> TrackPopupMenu (hSubMenu, TPM_LEFTALIGN, stPt. x, stPt. y, 0, hMainWnd, NULL); <br/> return 0; <br/> case WM_CLOSE: <br/> Quit (); <br/> return 0; <br/>}< br/> return DefWindowProc (hWnd, uMsg, wParam, lParam); <br/>}</p> <p> int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) <br/>{< br/> WNDCLASSEXstWndCls; <br/> msstmsg; </p> <p> RtlZeroMemory (& stWndCls, sizeof (stWndCls); <br/> stWndCls. hCursor = LoadCursor (NULL, IDC_ARROW); <br/> stWndCls. hIcon = LoadIcon (hInstance, MAKEINTRESOURCE (IDI_MAIN); <br/> stWndCls. hIconSm = LoadIcon (hInstance, MAKEINTRESOURCE (IDI_MAIN); <br/> stWndCls. cbWndExtra = 0; <br/> stWndCls. cbClsExtra = 0; <br/> stWndCls. hInstance = hInstance; <br/> stWndCls. cbSize = sizeof (WNDCLASSEX); <br/> stWndCls. style = CS_HREDRAW | CS_VREDRAW; <br/> stWndCls. lpfnWndProc = ProcWinMain; <br/> stWndCls. hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH); <br/> stWndCls. lpszClassName = szClassName; <br/> stWndCls. lpszMenuName = NULL; </p> <p> RegisterClassEx (& stWndCls); </p> <p> hMenu = LoadMenu (hInstance, MAKEINTRESOURCE (IDM_MAIN )); <br/> hAccelerator = LoadAccelerators (hInstance, MAKEINTRESOURCE (IDA_ACCELERATOR); <br/> hMainWnd = createdomainwex (Region, szClassName, szCaptionMain, <br/> temperature, 100,100,600,400, NULL, hMenu, hInstance, NULL); </p> <p> ShowWindow (hMainWnd, SW_SHOWNORMAL); <br/> UpdateWindow (hMainWnd ); </p> <p> while (GetMessage (& stMsg, NULL, 0, 0) <br/> {<br/> if (0 = TranslateAccelerator (hMainWnd, hAccelerator, & stMsg) <br/>{< br/> TranslateMessage (& stMsg); <br/> DispatchMessage (& stMsg ); <br/>}< br/> return stMsg. wParam; <br/>}