通过支持AT指令集的手机发送短消息（源代码）

通过支持AT指令集的手机发送短消息（源代码）(15)  InitializeCriticalSection( &m_csComm );
 Sleep( 2000 );
 char szBuffer[1024] = {0};
 DWORD dwRet = 0;

 try {
  sprintf( szBuffer, "AT\r" );
  WriteComm( szBuffer, 3 );
  Sleep( 200 );
  memset( szBuffer, 0, 1024 );
  if( ReadStringFromComm( szBuffer, 1024 ) == 0 ) {
   CloseHandle( m_Overlapped.hEvent );
   CloseHandle( m_hIDComDev );
   DeleteCriticalSection( &m_csComm );
   return( false );
  }

  memset( szBuffer, 0, 1024 );
  sprintf( szBuffer, "AT&F E1\r" );
  WriteComm( szBuffer, 8 );
  Sleep( 200 );
  memset( szBuffer, 0, 1024 );
  if( ReadStringFromComm( szBuffer, 1024 ) == 0 ) {
   CloseHandle( m_Overlapped.hEvent );
   CloseHandle( m_hIDComDev );
   DeleteCriticalSection( &m_csComm );
   return( false );
  }

  memset( szBuffer, 0, 1024 );
  sprintf( szBuffer, "AT+CNMI=1,1,0,2,1\r" );
  WriteComm( szBuffer, 18 );
  Sleep( 200 );
  memset( szBuffer, 0, 1024 );
  if( ReadStringFromComm( szBuffer, 1024 ) == 0 ) {
   CloseHandle( m_Overlapped.hEvent );
   CloseHandle( m_hIDComDev );
   DeleteCriticalSection( &m_csComm );
   return( false );
  }

  memset( szBuffer, 0, 1024 );
  sprintf( szBuffer, "AT+CPMS?\r" );
  WriteComm( szBuffer, 9 );
  Sleep( 200 );
  memset( szBuffer, 0, 1024 );
  dwRet = ReadStringFromComm( szBuffer, 1024 );
  if( dwRet > 0 ) {
   char* pDest = strstr( szBuffer, "+CPMS:" );
   if( pDest != NULL ) {