[Dev-C++] WSAAsyncSelect

I dont know if i'm really understand the WSAAsyncSelect function after 
reading the MSDN.

Ok...So lets say i receive a connection on a SOCKET. Could i then call the 
WSAAsyncSelect on the socket with FD_READ to know when i have to call the 
recv() to get the data from that SOCKET?

And if I then wanted to echo the data back, would I have to call 
WSAAsyncSelect on the SOCKET  with FD_WRITE before I call the send() 
function?

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