Microsoft Windows CE 3.0  

CEnumMediaTypes::QueryInterface

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Retrieves a pointer to a specified interface on a component to which a client currently holds an interface pointer.

HRESULT QueryInterface(
REFIID
iid, 
void
**
ppvObject
);

Parameters

iid
Specifies the IID of the interface being requested.
ppvObject
Receives a pointer to an interface pointer to the object on return. If the interface specified in iidis not supported by the object, ppvObjectis set to NULL.

Return Values

Returns S_OK if the interface is supported, S_FALSE if not.

Remarks

This member function implements the IUnknown::QueryInterfacemethod and passes out references to the IEnumMediaTypesinterface. Override this class to return other interfaces on the object in the derived class.