Reads an asynchronous MDN receipt from the current HTTP session.
ReadAsyncReceipt is used to read an asynchronous MDN receipt from the . The class will fetch the request stream from the HTTP session. MDNReceipt will be populated with a new instance of mdnreceipt.
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)