Re: error C2898: HRESULT IUnknown::QueryInterface(Q**p) : member function templates cannot be virtual
"tom" <kamildobk@poczta.onet.pl> wrote in message
news:1187687316.394719.36230@w3g2000hsg.googlegroups.com
I try to move all C-based interfaces in my application to COM. I
changed
class IMyIf
{
virtual void Foo() = 0;
}
to:
#include"unknwn.h"
__interface IMyIf : IUnknown
{
virtual void Foo() = 0;
}
but when I try to compile simple console based application with this
interface I get following error
error C2898: HRESULT IUnknown::QueryInterface(Q**p) : member function
templates cannot be virtual
Just make it
struct IMyIf : public IUnknown {
STDMETHOD(Foo)() = 0;
};
Better still, define your interfaces in an IDL file and use
MIDL-generated header.
--
With best wishes,
Igor Tandetnik
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