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CComTearOffObject::QueryInterface

  • Artykuł

Retrieves a pointer to the requested interface.

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

Parameters

  • iid
    [in] The IID of the interface being requested.

  • ppvObject
    [out] A pointer to the interface pointer identified by iid, or NULL if the interface is not found.

Return Value

A standard HRESULT value.

Remarks

Queries first for interfaces on your tear-off class. If the interface is not there, queries for the interface on the owner object. If the requested interface is IUnknown, returns the IUnknown of the owner.

Requirements

Header: atlcom.h

See Also

Reference

CComTearOffObject Class

CComTearOffObject::AddRef

CComTearOffObject::Release

Other Resources

CComTearOffObject Members