CComPtrBase::QueryInterface
Call this method to return a pointer to a specified interface.
template <
class Q
> HRESULT QueryInterface(Q** pp ) const throw( );
Parameters
Q
The object type whose interface pointer is required.pp
Address of output variable that receives the requested interface pointer.
Return Value
Returns S_OK on success, or E_NOINTERFACE on failure.
Remarks
This method calls IUnknown::QueryInterface.
In debug builds, an assertion error will occur if pp is not equal to NULL.
Requirements
Header: atlcomcli.h