public static bool ConnectAsync (SocketType socketType, ProtocolType protocolType, SocketAsyncEventArgs e)
{
// exception ordering requires to check before creating the socket (good thing resource wise too)
CheckConnect (e);
// create socket based on the endpoint address family (if specified), otherwise default fo IPv4
AddressFamily raf = e.RemoteEndPoint.AddressFamily;
if (raf == AddressFamily.Unspecified)
raf = AddressFamily.InterNetwork;
Socket s = new Socket (raf, socketType, protocolType);
return s.ConnectAsyncReal (e);
}