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Article View: borland.public.cppbuilder.internet.socket
Article #2342

Is there a way to allow an 'ABORT' from a TClientSocket connect?

#2342
From: Brian
Date: Wed, 10 May 2006 21:05
27 lines
1889 bytes
In my application, the user clicks a button which brings up a 
dialog that allows them to specify an IP address and port. This
address should be the address of a piece of equipment. Anyway, when
the user clicks 'Connect' the application creates a new
TClientSocket (nonBlocking) and attempts to connect to it:

      socket=new TClientSocket(Application);
      socket->ClientType=ctNonBlocking;
      socket->Address=Login->Host->Text;
      socket->Port=Login->Port->Text.ToIntDef(2024);
      socket->OnError=IPSessionError;
      socket->OnRead=IPSessionRead;
      socket->OnConnect=IPSessionConnect;
      socket->Active=true;

During this process, I bring up a 'please wait' dialog that 
contains an Abort button. 

If the user presses the Abort button, and the application has not
actually made a connection to anything yet (say it's a bad IP 
address), how can I force the attempt to close without having
to wait for the timeout?

I've tried setting the socket to inactive (Active=false), but the
OnIPSessionError event still gets called after the timeout period
expires.
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Subject: Is there a way to allow an 'ABORT' from a TClientSocket connect?
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