Hour 12

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1:	How does an ATL Web Service expose its methods?
A1:	It declares an interface that is then implemented by a class.
2:	What type of method do you create in the ATL class to support the Web Service calls?
A2:	You declare a method with the [soap_method] attribute to indicate that the method uses SOAP for communication.
3:	What is the return type for all exposed ATL Web Service methods?
A3:	HRESULT
4:	How do you specify the return value that is returned to the Web Service user?
A4:	By declaring the last parameter with the [out, retval] attribute.
5:	What limitation does the return value type have for an ATL Web Service method?
A5:	Each return value must be declared as a pointer to a type. You cannot directly return a value.

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