Re: catching the error number

"AliR \(VC++ MVP\)" <AliR@online.nospam>
Fri, 18 Jan 2008 16:00:03 GMT
I was totally unaware the CAsynSocket::Listen throw an exception, I thought
that it retunes WSAEADDRINUSE when the port is already in use.


"clinisbut" <> wrote in message

I'm catching an exception when I try to listen with my WinSocket
To try this code I'm trying to open a socket in a port already used:

if (m_WinSock.GetState()!=0)

m_WinSock.SetLocalPort( portNumber );
catch(CException *e)
char info[300];
UINT code;
e->GetErrorMessage( info, 300, &code );
TRACE( "Exception opening Server TCP Port: %s -->ID:%d\n", info,
code );

I'm trying to get the error ID into the variable "code" and always
getting code=0. I don't know if 0 is the error number for trying to
open a port already used (I did not found any documentation about the
listen() function), or I'm not calling ->GetErrorMessage() correctly.

Is there any way to get the error ID?

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