Source code of Windows XP (NT5)
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/*++
Copyright (C) 1996-1999 Microsoft Corporation
Module Name:
counters.h
Abstract:
Header file for the implementation of the ICounters object.
--*/
#ifndef _COUNTERS_H_
#define _COUNTERS_H_
class CPolyline;
class CImpICounters : public ICounters
{
protected:
ULONG m_cRef;
CPolyline *m_pObj;
LPUNKNOWN m_pUnkOuter;
public:
CImpICounters(CPolyline*, LPUNKNOWN);
~CImpICounters();
/* IUnknown methods */
STDMETHOD(QueryInterface) (REFIID riid, LPVOID *ppvObj);
STDMETHOD_(ULONG, AddRef) ();
STDMETHOD_(ULONG, Release) ();
/* IDispatch methods */
STDMETHOD(GetTypeInfoCount) (UINT *pctinfo);
STDMETHOD(GetTypeInfo)(UINT itinfo, LCID lcid, ITypeInfo **pptinfo);
STDMETHOD(GetIDsOfNames) (REFIID riid, OLECHAR **rgszNames,
UINT cNames, LCID lcid, DISPID *rgdispid);
STDMETHOD(Invoke) (DISPID dispidMember, REFIID riid, LCID lcid,WORD wFlags,
DISPPARAMS *pdispparams, VARIANT *pvarResult,
EXCEPINFO *pexcepinfo, UINT *puArgErr);
/* Counters methods */
STDMETHOD(get_Count) (long *pLong);
STDMETHOD(get__NewEnum) (IUnknown **ppIunk);
STDMETHOD(get_Item) (VARIANT index, DICounterItem **ppI);
STDMETHOD(Add) (BSTR bstrPath, DICounterItem **ppI);
STDMETHOD(Remove) (VARIANT index);
};
typedef CImpICounters *PCImpICounters;
// Counter enumerator
class CImpIEnumCounter : public IEnumVARIANT
{
protected:
DWORD m_cRef;
PCGraphItem *m_paGraphItem;
ULONG m_cItems;
ULONG m_uCurrent;
public:
CImpIEnumCounter (VOID);
HRESULT Init (PCGraphItem pGraphItem, INT cItems);
// IUnknown methods
STDMETHOD(QueryInterface) (REFIID riid, LPVOID *ppvObj);
STDMETHOD_(ULONG, AddRef) ();
STDMETHOD_(ULONG, Release) ();
// Enum methods
STDMETHOD(Next) (ULONG cItems, VARIANT *varItems, ULONG *pcReturned);
STDMETHOD(Skip) (ULONG cSkip);
STDMETHOD(Reset) (VOID);
STDMETHOD(Clone) (IEnumVARIANT **pIEnum);
};
#endif //_COUNTERS_H_