Windows ce gprs dialing program)

#include "stdafx.h" #include "ras.h" HANDLE hPort = INVALID_HANDLE_VALUE; HRASCONN hRasConn = NULL; BOOL CreatePort() {     DWORD dwNumBytesWritten;     BOOL fRet;     BYTE Bytes[]={'A','T','+','C','G','D','C','O','N','T','=','1',',','"','I','P','"',',',

'"', 'C', 'M', 'n', 'E', 't', '"', 0x0D, 'A','t ', 'D ', 't',' * ', '9', '9',' # ', 0x0D }; // open the serial port hPort = CreateFile (TEXT ("COM8:"), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL); if (hPort = INVALID_HANDLE_VALUE) {// cocould not open the port. // printf ("Open the serial port failed \ n \ r"); return FALSE;} // BYTE Bytes [] = {'A', 't', 0x0D }; // DWORD CgdcontSize = sizeof (Cgdcont); DWORD BytesSize = Sizeof (Bytes); // fRet = WriteFile (hPort, Cgdcont, CgdcontSize, & signature, NULL); fRet = WriteFile (hPort, Bytes, BytesSize, & dwNumBytesWritten, NULL ); fRet = ReadFile (hPort, Bytes, 4, & dwNumBytesWritten, NULL); if (fRet) {// printf ("open the serial port successful \ n \ r "); closeHandle (hPort);} else {// close the serial port CloseHandle (hPort); // printf ("Close serial port successful \ n \ r");} return TRUE;} lresult callback WndProc (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam) {RASCONNSTATE RasState = (RASCONNSTATE) wParam; switch (Msg) {case when: switch (RasState) {case RASCS_OpenPort: printf ("opening port \ n \ r"); break; case RASCS_PortOpened: printf ("port opened \ n \ r"); break; case RASCS_ConnectDevice: printf ("Connecting Device \ n \ r"); break; case RASCS_Connected: // int I; // printf ("connected \ n \ r"); // s Canf ("% d", I); // if (I = 1) // {// RasHangUp (hRasConn); //} break; case RASCS_Disconnected: printf ("disconnected \ n \ r"); break; default: printf ("unknown \ n \ r"); break;} break; default: return DefWindowProc (hWnd, msg, wParam, lParam);} return TRUE;} int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow) {// TODO: Place code here. HWND hwnd; MSG msg; WNDCLASS wc; wc. sty Le = 0; wc. lpfnWndProc = (WNDPROC) WndProc; wc. cbClsExtra = 0; wc. cbWndExtra = 0; wc. hInstance = hInstance; wc. hIcon = 0; wc. hCursor = 0; wc. hbrBackground = NULL; wc. lpszMenuName = 0; wc. lpszClassName = _ T ("embo"); RegisterClass (& wc); hwnd = CreateWindow (_ T ("embo"), _ T ("EmboConnection"), 0, 0, 0, 0, 0, NULL, NULL, hInstance, NULL); ShowWindow (hwnd, 0); CreatePort (); RASDIALPARAMS rdParams; // dialing parameter // initialize the dialing parameter rdP Arams. dwSize = sizeof (RASDIALPARAMSW); wcscpy (rdParams. szEntryName, _ T ("Embo Connection"); wcscpy (rdParams. szPhoneNumber, _ T (""); wcscpy (rdParams. szCallbackNumber, _ T (""); wcscpy (rdParams. szUserName, _ T (""); wcscpy (rdParams. szPassword, _ T (""); wcscpy (rdParams. szDomain, _ T (""); DWORD dwRet; // dial-up connection // printf ("connecting \ n \ r"); dwRet = RasDial (NULL, NULL, & rdParams, 0 xFFFFFFFF, hwnd, & hRasConn); if (dwRet! = 0) // connection successful {RasHangUp (hRasConn);} while (GetMessage (& msg, NULL, 0, 0 )! = FALSE) {TranslateMessage (& msg); DispatchMessage (& msg);} return 0 ;}