CHttpFile::AddRequestHeaders

We can add headers to an http request as in the below format.( This is an example only and not directly related syntax of AddRequestHeaders() API.

Code:

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( "Content-Type"), _T("application/x-www-form-urlencoded")

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I would like to know what exactly it means. By this , is the client requesting the response of the request in a particular format?


I have also come across code with request headers in the below format Here is the client requesting data in json format?

Code:

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_T("Content-Type"),_T("application/json")

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Thanks in advance..