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57 lines
1.4 KiB
57 lines
1.4 KiB
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// MediaState.h : Declaration of the CMediaState
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#ifndef __MEDIASTATE_H_
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#define __MEDIASTATE_H_
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#include "resource.h" // main symbols
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/////////////////////////////////////////////////////////////////////////////
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// CMediaState
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class ATL_NO_VTABLE CMediaState :
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public CComObjectRootEx<CComMultiThreadModel>,
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public CComCoClass<CMediaState, &CLSID_MediaState>,
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public ISupportErrorInfo,
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public IDispatchImpl<IMediaState, &IID_IMediaState, &LIBID_MSSANICLib>
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{
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public:
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CMediaState()
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{
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m_pUnkMarshaler = NULL;
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}
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DECLARE_REGISTRY_RESOURCEID(IDR_MEDIASTATE)
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DECLARE_GET_CONTROLLING_UNKNOWN()
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CMediaState)
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COM_INTERFACE_ENTRY(IMediaState)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(ISupportErrorInfo)
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COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pUnkMarshaler.p)
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END_COM_MAP()
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HRESULT FinalConstruct()
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{
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return CoCreateFreeThreadedMarshaler(
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GetControllingUnknown(), &m_pUnkMarshaler.p);
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}
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void FinalRelease()
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{
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m_pUnkMarshaler.Release();
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}
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CComPtr<IUnknown> m_pUnkMarshaler;
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// ISupportsErrorInfo
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STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);
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// IMediaState
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public:
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STDMETHOD(IsConnected)(BSTR bstrGUID, VARIANT_BOOL *pbRet);
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};
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#endif //__MEDIASTATE_H_
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