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38 lines
936 B
38 lines
936 B
// Copyright (c) 1997 Microsoft Corporation. All Rights Reserved.
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#ifndef __MTENUM_H_INC__
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#define __MTENUM_H_INC__
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class ATL_NO_VTABLE CMediaTypeEnum :
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public CComObjectRootEx<CComMultiThreadModel>,
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public IEnumMediaTypes
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{
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public:
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//
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// METHODS
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//
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CMediaTypeEnum();
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~CMediaTypeEnum();
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DECLARE_GET_CONTROLLING_UNKNOWN()
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void Initialize(CStream *pStream, ULONG cCurPos);
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//
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// IEnumMediaTypes
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//
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STDMETHODIMP Next(ULONG cNumToFetch, AM_MEDIA_TYPE **ppMediaTypes, ULONG *pcFetched);
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STDMETHODIMP Skip(ULONG cSkip);
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STDMETHODIMP Reset();
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STDMETHODIMP Clone(IEnumMediaTypes **ppEnumMediaTypes);
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BEGIN_COM_MAP(CMediaTypeEnum)
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COM_INTERFACE_ENTRY(IEnumMediaTypes)
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END_COM_MAP()
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public:
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ULONG m_cCurrentPos;
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CStream *m_pStream;
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};
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#endif
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