Answer / mms zubeir

The above answer is not relevant to the question.

The simple answer is, asynchronous sockets don't block the
other parts of application while carrying a request, but
the synchronous operation blocks the application during
processing.

There are many like this, but this is the basic difference.

Answer / kirankumar

Class CSocket derives from CAsyncSocket and inherits its
encapsulation of the Windows Sockets API. A CSocket object
represents a higher level of abstraction of the Windows
Sockets API than that of a CAsyncSocket object. CSocket
works with classes CSocketFile and CArchive to manage the
sending and receiving of data.

Hi All, I have created one MFC Dialog Based application.now if i am running the application its working fine,instead of closing he application i minimized the application,if i run the application again,i am getting the Dialog. I want to prevent the calling of application multiple times. please give me the code and let me know in which method i need to make changes. Praveer

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