最近在学WinCE，就拿VC的Win32来练练手，初学第一个工程是基于Win32的Dialog，首先创建模式对话框，并注册消息处理函数。

int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow) { INITCOMMONCONTROLSEX icex; // Ensure that the common control DLL is loaded. icex.dwSize = sizeof(INITCOMMONCONTROLSEX); icex.dwICC = ICC_LISTVIEW_CLASSES|ICC_TAB_CLASSES|ICC_LISTVIEW_CLASSES; InitCommonControlsEx(&icex); g_hInstance = hInstance; //------------ Prevent multiple instance ------------------ HANDLE hMutex = CreateMutex(NULL,FALSE,APPNAME); if( GetLastError() == ERROR_ALREADY_EXISTS ) { HWND hwndPrev = FindWindow( L"Dialog" , APPNAME ); if( hwndPrev ) { ShowWindow(hwndPrev, SW_SHOWNORMAL); SetForegroundWindow(hwndPrev); } return 0; } DialogBox(hInstance, MAKEINTRESOURCE(IDD_MAINDLG), NULL, (DLGPROC) DlgProc); return 0; }

static BOOL CALLBACK DlgProc(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam) { #if TRACE_DEBUG_USE TRACE(_T("MSG = 0x%08X),wParam = 0x%08X, lParam = 0x%08X\n"), Msg, (DWORD)wParam,(DWORD)lParam); #endif switch(Msg) { // ---------------------------------------------------------- case WM_INITDIALOG: { g_hDlgHwnd = hDlg; DlgLayout(hDlg); // 排布对话框 memset(&g_LCDMemory[0][0],0x00,APP_LCD_Wbyte*APP_LCD_H);; InvalidateRect(GetDlgItem(hDlg, IDC_BUTTON_LCD), NULL, FALSE);// 画按钮 break; } // ---------------------------------------------------------- case WM_NOTIFY: break; // ---------------------------------------------------------- case WM_SIZE: { RECT rt; SetRect(&rt, 0, 0, LOWORD(lParam), HIWORD(lParam)); break; } case WM_DRAWITEM: { LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT)lParam; if (lpdis) DrawGraph(lpdis->hwndItem); return TRUE; } // ---------------------------------------------------------- case WM_COMMAND: switch(LOWORD(wParam)) { case IDOK: return TRUE; case IDCANCEL: return TRUE; case IDC_BUTTON_UP: CInitWindow(0x44); InvalidateRect(GetDlgItem(hDlg, IDC_BUTTON_LCD), NULL, FALSE); return TRUE; case IDC_BUTTON_DOWN: CInitWindow(0x66); InvalidateRect(GetDlgItem(hDlg, IDC_BUTTON_LCD), NULL, FALSE); return TRUE; case IDC_BUTTON_LEFT: CInitWindow(0x77); InvalidateRect(GetDlgItem(hDlg, IDC_BUTTON_LCD), NULL, FALSE); return TRUE; case IDC_BUTTON_RIGHT: CInitWindow(0x00); InvalidateRect(GetDlgItem(hDlg, IDC_BUTTON_LCD), NULL, FALSE); return TRUE; case IDC_BUTTON_BACK: CInitWindow(0x22); InvalidateRect(GetDlgItem(hDlg, IDC_BUTTON_LCD), NULL, FALSE); return TRUE; case IDC_BUTTON_ENTER: CInitWindow(0xFF); InvalidateRect(GetDlgItem(hDlg, IDC_BUTTON_LCD), NULL, FALSE); return TRUE; } break; // ---------------------------------------------------------- case WM_SYSCOMMAND: { switch((DWORD)wParam) { case SC_CONTEXTHELP: // XP下用这个消息显示About，WinCE下是另外一个 DialogBox(g_hInstance, MAKEINTRESOURCE(IDD_ABOUTBOX), hDlg, (DLGPROC)DlgProcHelp); return TRUE; case SC_CLOSE: break; case SC_MINIMIZE: break; case SC_MAXIMIZE: break; } break; } // ---------------------------------------------------------- case WM_TIMER: break; // ---------------------------------------------------------- case WM_CLOSE: EndDialog(hDlg, 0); // 关闭对话框 DestroyWindow(hDlg); g_hDlgExist = FALSE; return TRUE; // ---------------------------------------------------------- case WM_DESTROY: return FALSE; } return FALSE; }