CAxWindow::QueryHost

Returns the specified interface of the host.

HRESULT QueryHost(
   REFIID iid,
   void** ppUnk 
);
template <class Q>
HRESULT QueryHost(
   Q** ppUnk 
);

Parameters

• iid
  [in] Specifies the IID of the control's interface.

• ppUnk
  [out] A pointer to the interface on the host. In the template version of this method, there is no need for a reference ID as long as a typed interface with an associated UUID is passed.

• Q
  [in] The interface that is being queried for.

Return Value

A standard HRESULT value.

Remarks

The interface of the host allows access to the underlying functionality of the window-hosting code, implemented by AxWin.

Requirements

Header: atlwin.h

See Also

Concepts

CAxWindow Class

CAxWindow Members

CAxWindow::QueryControl