| 윈도우 프로그래밍 자료 |
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| 제목 | Time Client 1998/07/20 (21:23) |
| 이름 | 김효원 |
| 번호 | 34 |
| 조회 | 398 |
| 본문 |
/***************************************************************************** Module : MSJTimeClient.c Description: Client to request machine system time *****************************************************************************/ #define STRICT #include <Windows.h> #include <WindowsX.h> #include "Resource.h" ////////////////////////////////////////////////////////////////////////////// #define dimof(A) (sizeof(A) / sizeof(A[0])) // The normal HANDLE_MSG macro in WINDOWSX.H does not work properly for // dialog boxes because DlgProc's return a BOOL instead of an LRESULT (like // WndProcs). This chHANDLE_DLGMSG macro corrects the problem: #define chHANDLE_DLGMSG(hwnd, message, fn) \ case (message): return (SetDlgMsgResult(hwnd, uMsg, \ HANDLE_##message((hwnd), (wParam), (lParam), (fn)))) ////////////////////////////////////////////////////////////////////////////// BOOL MSJTimeClient_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam) { // Assume that the server is on the same machine as the client SetDlgItemText(hwnd, IDC_SERVER, __TEXT(".")); return(TRUE); } ////////////////////////////////////////////////////////////////////////////// void MSJTimeClient_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify) { SYSTEMTIME st; TCHAR sz[500]; DWORD cbRead = 0; HANDLE hpipe; BOOL fOk; switch (id) { case IDCANCEL: EndDialog(hwnd, id); break; case IDOK: // Construct the pathname of the pipe sz[0] = sz[1] = __TEXT('\\'); GetDlgItemText(hwnd, IDC_SERVER, &sz[2], dimof(sz) - 2); lstrcat(sz, __TEXT("\\pipe\\MSJTime")); // Attempt to connect to the pipe fOk = WaitNamedPipe(sz, NMPWAIT_USE_DEFAULT_WAIT); if (fOk) { // Get a handle to use to talk to the pipe hpipe = CreateFile(sz, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL); fOk = (hpipe != INVALID_HANDLE_VALUE); } if (fOk) { // Valid handle, read time from pipe ReadFile(hpipe, &st, sizeof(st), &cbRead, NULL); CloseHandle(hpipe); // Convert UTC time to client machine's local time and display it SystemTimeToTzSpecificLocalTime(NULL, &st, &st); GetDateFormat(LOCALE_USER_DEFAULT, DATE_LONGDATE, &st, NULL, sz, dimof(sz)); SetDlgItemText(hwnd, IDC_DATE, sz); GetTimeFormat(LOCALE_USER_DEFAULT, LOCALE_NOUSEROVERRIDE, &st, NULL, sz, dimof(sz)); SetDlgItemText(hwnd, IDC_TIME, sz); } else { LPCTSTR pszError = (GetLastError() == ERROR_FILE_NOT_FOUND) ? __TEXT("Service not found") : __TEXT("Service busy"); SetDlgItemText(hwnd, IDC_DATE, pszError); SetDlgItemText(hwnd, IDC_TIME, pszError); } break; } } ////////////////////////////////////////////////////////////////////////////// BOOL WINAPI MSJTimeClient_DlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch (uMsg) { chHANDLE_DLGMSG(hwnd, WM_INITDIALOG, MSJTimeClient_OnInitDialog); chHANDLE_DLGMSG(hwnd, WM_COMMAND, MSJTimeClient_OnCommand); } return(FALSE); } ////////////////////////////////////////////////////////////////////////////// int WINAPI WinMain (HINSTANCE hinstExe, HINSTANCE hinstExePrev, LPSTR pszCmdLine, int nCmdShow) { return(DialogBox(hinstExe, MAKEINTRESOURCE(IDD_MSJTIMECLIENT), NULL, MSJTimeClient_DlgProc)); } //////////////////////////////// End Of File ///////////////////////////////// |
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