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c# - Callback Function

I have a method called funct which i want to have as my callback function when i am using the beingreceive socket method in c#.

s.BeginReceive(buffer, 0, buffer.Length, System.Net.Sockets.SocketFlags.None,
               new AsyncCallback(funct), null);

The error that am getting is:

No overload for 'funct' matches delegate 'System.AsyncCallback'

What might be the problem here?

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"funct" must be a method with the following signature:

void funct(IAsyncResult ar) { }

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