How can you tell the source of the data when using the Stream.BeginRead Method?

Posted by xarzu on Stack Overflow See other posts from Stack Overflow or by xarzu
Published on 2010-06-10T00:31:47Z Indexed on 2010/06/10 0:42 UTC
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When using the Stream.BeginRead Method, and you are reading from a stream into a memory, how is it determined where you are reading the data from?

See: http://msdn.microsoft.com/en-us/library/system.io.stream.beginread.aspx

In the list of parameters, I do not see one that tells where the data is being read from:

Parameters buffer Type: System.Byte[] The buffer to read the data into.

offset Type: System.Int32 The byte offset in buffer at which to begin writing data read from the stream.

count Type: System.Int32 The maximum number of bytes to read.

callback Type: System.AsyncCallback An optional asynchronous callback, to be called when the read is complete.

state Type: System.Object A user-provided object that distinguishes this particular asynchronous read request from other requests.

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