35. FAQ o Win API

Q> Как разорвать соединение?
A>

bool  HangUp()
{
 RASCONN ras[20];
 DWORD  dSize, dNumber;
 char  szBuf[256];

 ras[0].dwSize = sizeof( RASCONN );
 dSize = sizeof( ras );   // Get active RAS - Connection
 DWORD  dwRet = RasEnumConnections( ras, &dSize, &dNumber );
 if ( dwRet != 0 )
 {
  if ( RasGetErrorString( (UINT)dwRet, (LPSTR)szBuf, 256 ) != 0 )
   wsprintf( (LPSTR)szBuf, "Undefined RAS Enum Connections error (%ld).", dwRet
);
  MessageBox( (LPSTR)szBuf, "RasHangUp", MB_OK | MB_ICONSTOP );
  return false;
 }
 bool bOK = true;
 for( DWORD dCount = 0;  dCount < dNumber;  dCount++ )
 {    // Hang up that connection
  HRASCONN hRasConn = ras[dCount].hrasconn;
  DWORD dwRet = RasHangUp( hRasConn );
  if ( dwRet != 0 )
  {
   char  szBuf[256];
   if ( RasGetErrorString( (UINT)dwRet, (LPSTR)szBuf, 256 ) != 0 )
    wsprintf( (LPSTR)szBuf, "Undefined RAS HangUp Error (%ld).", dwRet );
   MessageBox( (LPSTR)szBuf, "RasHangUp", MB_OK | MB_ICONSTOP );
   bOK = false;
  }
 }
 return bOK;
}