79 lines
1.4 KiB
C
79 lines
1.4 KiB
C
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// propbag.h : Declaration of the CMyPropertyBag
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#ifndef __CMyPropertyBag_H_
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#define __CMyPropertyBag_H_
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//
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// CMyPropertyBag
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class ATL_NO_VTABLE CMyPropertyBag :
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public CComObjectRootEx<CComMultiThreadModel>,
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public IPropertyBag
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{
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private:
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DWORD m_dwDeviceInID;
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DWORD m_dwDeviceOutID;
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public:
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BEGIN_COM_MAP(CMyPropertyBag)
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COM_INTERFACE_ENTRY(IPropertyBag)
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END_COM_MAP()
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HRESULT
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STDMETHODCALLTYPE
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Read(
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LPCOLESTR pszPropName,
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VARIANT *pVar,
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IErrorLog *pErrorLog
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)
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{
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if (lstrcmpiW( pszPropName, L"WaveInId" ) == 0)
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{
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pVar->vt = VT_I4;
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pVar->lVal = m_dwDeviceInID;
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return S_OK;
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}
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if (lstrcmpiW( pszPropName, L"WaveOutId" ) == 0)
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{
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pVar->vt = VT_I4;
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pVar->lVal = m_dwDeviceOutID;
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return S_OK;
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}
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return S_FALSE;
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}
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HRESULT
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STDMETHODCALLTYPE
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Write(
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LPCOLESTR pszPropName,
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VARIANT *pVar
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)
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{
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if (lstrcmpiW( pszPropName, L"WaveInId" ) == 0)
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{
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m_dwDeviceInID = pVar->lVal;
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return S_OK;
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}
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if (lstrcmpiW( pszPropName, L"WaveOutId" ) == 0)
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{
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m_dwDeviceOutID = pVar->lVal;
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return S_OK;
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}
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return S_FALSE;
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};
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};
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#endif
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