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138 lines
3.8 KiB
138 lines
3.8 KiB
/*++
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Copyright (C) 1997-1999 Microsoft Corporation
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Module Name:
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DataObj.h
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Abstract:
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The IDataObject Interface is used to communicate data
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--*/
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#ifndef __DATAOBJ_H_
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#define __DATAOBJ_H_
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// Disable 64-bit warnings in atlctl.h
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#if _MSC_VER >= 1200
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#pragma warning(push)
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#endif
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#pragma warning ( disable : 4510 )
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#pragma warning ( disable : 4610 )
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#pragma warning ( disable : 4100 )
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#include <atlctl.h>
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#if _MSC_VER >= 1200
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#pragma warning(pop)
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Defines, Types etc...
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//
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class CComponentData; // Forward declaration
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typedef enum tagCOOKIETYPE
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{
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COOKIE_IS_ROOTNODE,
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COOKIE_IS_COUNTERMAINNODE,
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COOKIE_IS_TRACEMAINNODE,
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COOKIE_IS_ALERTMAINNODE,
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COOKIE_IS_MYCOMPUTER,
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} COOKIETYPE;
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/////////////////////////////////////////////////////////////////////////////
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// CDataObject - This class is used to pass data back and forth with MMC. It
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// uses a standard interface, IDataObject to acomplish this.
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// Refer to OLE documentation for a description of clipboard
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// formats and the IDataObject interface.
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class CDataObject:
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public IDataObject,
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public CComObjectRoot
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{
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public:
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DECLARE_NOT_AGGREGATABLE(CDataObject)
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BEGIN_COM_MAP(CDataObject)
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COM_INTERFACE_ENTRY(IDataObject)
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END_COM_MAP()
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CDataObject();
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virtual ~CDataObject();
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// IUnknown overrides
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STDMETHOD(QueryInterface) (REFIID riid, LPVOID FAR* ppvObj);
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STDMETHOD_(ULONG, AddRef) ();
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STDMETHOD_(ULONG, Release) ();
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// IDataObject methods
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public:
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STDMETHOD(GetDataHere)(FORMATETC *pformatetc, STGMEDIUM *pmedium);
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// The rest are not implemented in this sample
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STDMETHOD(GetData)(LPFORMATETC /*lpFormatetcIn*/, LPSTGMEDIUM /*lpMedium*/)
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{ AFX_MANAGE_STATE(AfxGetStaticModuleState());
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return E_NOTIMPL;
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};
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STDMETHOD(EnumFormatEtc)(DWORD /*dwDirection*/, LPENUMFORMATETC* /*ppEnumFormatEtc*/)
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{ return E_NOTIMPL; };
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STDMETHOD(QueryGetData)(LPFORMATETC /*lpFormatetc*/)
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{ AFX_MANAGE_STATE(AfxGetStaticModuleState());
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return E_NOTIMPL;
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};
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STDMETHOD(GetCanonicalFormatEtc)(LPFORMATETC /*lpFormatetcIn*/, LPFORMATETC /*lpFormatetcOut*/)
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{ return E_NOTIMPL; };
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STDMETHOD(SetData)(LPFORMATETC/* lpFormatetc */, LPSTGMEDIUM /* lpMedium */, BOOL /* bRelease */)
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{ return E_NOTIMPL; };
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STDMETHOD(DAdvise)(LPFORMATETC /* lpFormatetc */, DWORD /* advf */,
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LPADVISESINK /* pAdvSink */, LPDWORD /* pdwConnection */)
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{ return E_NOTIMPL; };
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STDMETHOD(DUnadvise)(DWORD /* dwConnection */)
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{ return E_NOTIMPL; };
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STDMETHOD(EnumDAdvise)(LPENUMSTATDATA* /* ppEnumAdvise */)
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{ return E_NOTIMPL; };
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// Non-interface member functions
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public:
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DATA_OBJECT_TYPES GetContext() { return m_Context; }
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COOKIETYPE GetCookieType() { return m_CookieType; }
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MMC_COOKIE GetCookie() { return m_ulCookie; }
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VOID SetData(MMC_COOKIE ulCookie, DATA_OBJECT_TYPES Type, COOKIETYPE ct);
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private:
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HRESULT WriteInternal(IStream *pstm);
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HRESULT WriteDisplayName(IStream *pstm);
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HRESULT WriteMachineName(IStream *pstm);
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HRESULT WriteNodeType(IStream *pstm);
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HRESULT WriteClsid(IStream *pstm);
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ULONG m_cRefs; // Object refcount
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MMC_COOKIE m_ulCookie; // What this obj refers to
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DATA_OBJECT_TYPES m_Context; // Context in which this was created (Data object type)
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COOKIETYPE m_CookieType; // How to interpret m_ulCookie
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public:
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static UINT s_cfMmcMachineName; // format for machine name when ext. snapin
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static UINT s_cfInternal;
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static UINT s_cfDisplayName;
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static UINT s_cfNodeType;
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static UINT s_cfSnapinClsid;
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};
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#endif // __DATAOBJ_H_
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