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CAxWindow::QueryHost

  • Articolo

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

Reference

CAxWindow Class

CAxWindow::QueryControl