620 lines
14 KiB
C
620 lines
14 KiB
C
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//***************************************************************************
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//
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// Copyright (c) 2000 Microsoft Corporation
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//
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// datetime.h
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//
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// alanbos 20-Jan-00 Created.
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//
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// Datetime helper implementation.
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//
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//***************************************************************************
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#ifndef _DATETIME_H_
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#define _DATETIME_H_
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#define WBEMDT_DMTF_LEN 25
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#define WBEMDT_DMTF_SPOS 14
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#define WBEMDT_DMTF_UPOS 21
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#define WBEMDT_MIN_YEAR 0
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#define WBEMDT_MAX_YEAR 9999
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#define WBEMDT_MIN_MONTH 1
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#define WBEMDT_MAX_MONTH 12
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#define WBEMDT_MIN_DAY 1
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#define WBEMDT_MAX_DAY 31
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#define WBEMDT_MIN_DAYINT 0
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#define WBEMDT_MAX_DAYINT 99999999
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#define WBEMDT_MIN_HOURS 0
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#define WBEMDT_MAX_HOURS 23
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#define WBEMDT_MIN_MINUTES 0
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#define WBEMDT_MAX_MINUTES 59
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#define WBEMDT_MIN_SECONDS 0
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#define WBEMDT_MAX_SECONDS 59
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#define WBEMDT_MIN_MICROSEC 0
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#define WBEMDT_MAX_MICROSEC 999999
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#define WBEMDT_MIN_UTC -720
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#define WBEMDT_MAX_UTC 720
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#define INVALID_TIME 0xffffffffffffffff
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//***************************************************************************
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//
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// CLASS NAME:
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//
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// CSWbemDateTime
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//
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// DESCRIPTION:
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//
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// Implements the ISWbemDateTime interface.
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//
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//***************************************************************************
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class CSWbemDateTime : public ISWbemDateTime,
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public IObjectSafety,
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public ISupportErrorInfo,
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public IProvideClassInfo
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{
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private:
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// Private helper class for all the messy business
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class WBEMTime
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{
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private:
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class WBEMTimeSpan
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{
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private:
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ULONGLONG m_Time;
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friend class WBEMTime;
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public:
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WBEMTimeSpan (
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int iMinutes
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)
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{
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m_Time = iMinutes * 60;
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m_Time *= 10000000;
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}
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};
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public:
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WBEMTime () { m_uTime = INVALID_TIME ; }
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WBEMTime ( const SYSTEMTIME &st ) { *this = st ; }
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const WBEMTime &operator= ( const SYSTEMTIME &st ) ;
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const WBEMTime &operator= ( const FILETIME &ft ) ;
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WBEMTime operator+ ( const WBEMTimeSpan &ts ) const;
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WBEMTime operator- ( const WBEMTimeSpan &sub ) const;
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BOOL GetSYSTEMTIME ( SYSTEMTIME *pst ) const;
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BOOL GetFILETIME ( FILETIME *pst ) const;
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BOOL GetDMTF ( SYSTEMTIME &st, long &offset ) const;
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BOOL GetDMTF ( SYSTEMTIME &st ) const;
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void Clear ( void ) { m_uTime = INVALID_TIME ; }
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bool IsOk () const { return m_uTime != INVALID_TIME ? true : false; }
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static LONG WINAPI GetLocalOffsetForDate(const SYSTEMTIME *pst);
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private:
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ULONGLONG m_uTime;
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};
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CDispatchHelp m_Dispatch;
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VARIANT_BOOL m_bYearSpecified;
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VARIANT_BOOL m_bMonthSpecified;
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VARIANT_BOOL m_bDaySpecified;
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VARIANT_BOOL m_bHoursSpecified;
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VARIANT_BOOL m_bMinutesSpecified;
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VARIANT_BOOL m_bSecondsSpecified;
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VARIANT_BOOL m_bMicrosecondsSpecified;
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VARIANT_BOOL m_bUTCSpecified;
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VARIANT_BOOL m_bIsInterval;
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long m_iYear;
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long m_iMonth;
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long m_iDay;
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long m_iHours;
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long m_iMinutes;
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long m_iSeconds;
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long m_iMicroseconds;
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long m_iUTC;
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bool CheckField (
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LPWSTR pValue,
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ULONG len,
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VARIANT_BOOL &bIsSpecified,
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long &iValue,
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long maxValue,
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long minValue
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);
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bool CheckUTC (
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LPWSTR pValue,
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VARIANT_BOOL &bIsSpecified,
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long &iValue,
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bool bParseSign = true
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);
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DWORD m_dwSafetyOptions;
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// Records the least significant bit of a filetime
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DWORD m_dw100nsOverflow;
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protected:
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long m_cRef; //Object reference count
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public:
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CSWbemDateTime(void);
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virtual ~CSWbemDateTime(void);
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//Non-delegating object IUnknown
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STDMETHODIMP QueryInterface(REFIID, LPVOID*);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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// IDispatch
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STDMETHODIMP GetTypeInfoCount(UINT* pctinfo)
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{return m_Dispatch.GetTypeInfoCount(pctinfo);}
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STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo** pptinfo)
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{return m_Dispatch.GetTypeInfo(itinfo, lcid, pptinfo);}
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STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR** rgszNames,
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UINT cNames, LCID lcid, DISPID* rgdispid)
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{return m_Dispatch.GetIDsOfNames(riid, rgszNames, cNames,
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lcid,
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rgdispid);}
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STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid,
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WORD wFlags, DISPPARAMS* pdispparams, VARIANT* pvarResult,
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EXCEPINFO* pexcepinfo, UINT* puArgErr)
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{return m_Dispatch.Invoke(dispidMember, riid, lcid, wFlags,
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pdispparams, pvarResult, pexcepinfo, puArgErr);}
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// ISWbemDateTime methods
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HRESULT STDMETHODCALLTYPE get_Value(
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/* [retval][out] */ BSTR __RPC_FAR *value) ;
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HRESULT STDMETHODCALLTYPE put_Value(
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/* [in] */ BSTR __RPC_FAR value) ;
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HRESULT STDMETHODCALLTYPE get_Year(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iYear;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_Year(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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ResetLastErrors ();
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if ((value > WBEMDT_MAX_YEAR) || (value < WBEMDT_MIN_YEAR))
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hr = wbemErrValueOutOfRange;
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else
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m_iYear = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_Month(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iMonth;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_Month(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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ResetLastErrors ();
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if ((value > WBEMDT_MAX_MONTH) || (value < WBEMDT_MIN_MONTH))
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hr = wbemErrValueOutOfRange;
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else
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m_iMonth = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_Day(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iDay;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_Day(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = S_OK;
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ResetLastErrors ();
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if (((VARIANT_TRUE == m_bIsInterval) && ((value > WBEMDT_MAX_DAYINT) || (value < WBEMDT_MIN_DAYINT))) ||
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((VARIANT_FALSE == m_bIsInterval) &&((value > WBEMDT_MAX_DAY) || (value < WBEMDT_MIN_DAY))))
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hr = wbemErrValueOutOfRange;
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else
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m_iDay = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_Hours(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iHours;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_Hours(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = S_OK;
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ResetLastErrors ();
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if ((value > WBEMDT_MAX_HOURS) || (value < WBEMDT_MIN_HOURS))
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hr = wbemErrValueOutOfRange;
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else
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m_iHours = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_Minutes(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iMinutes;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_Minutes(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = S_OK;
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ResetLastErrors ();
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if ((value > WBEMDT_MAX_MINUTES) || (value < WBEMDT_MIN_MINUTES))
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hr = wbemErrValueOutOfRange;
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else
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m_iMinutes = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_Seconds(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iSeconds;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_Seconds(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = S_OK;
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ResetLastErrors ();
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if ((value > WBEMDT_MAX_SECONDS) || (value < WBEMDT_MIN_SECONDS))
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hr = wbemErrValueOutOfRange;
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else
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m_iSeconds = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_Microseconds(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iMicroseconds;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_Microseconds(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = S_OK;
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ResetLastErrors ();
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if ((value > WBEMDT_MAX_MICROSEC) || (value < WBEMDT_MIN_MICROSEC))
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hr = wbemErrValueOutOfRange;
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else
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m_iMicroseconds = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_UTC(
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/* [retval][out] */ long __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_iUTC;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_UTC(
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/* [in] */ long __RPC_FAR value)
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{
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HRESULT hr = S_OK;
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ResetLastErrors ();
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if ((value > WBEMDT_MAX_UTC) || (value < WBEMDT_MIN_UTC))
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hr = wbemErrValueOutOfRange;
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else
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m_iUTC = value;
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE get_YearSpecified(
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/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
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{
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ResetLastErrors ();
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*value = m_bYearSpecified;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE put_YearSpecified(
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/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bYearSpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_MonthSpecified(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bMonthSpecified;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_MonthSpecified(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bMonthSpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_DaySpecified(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bDaySpecified;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_DaySpecified(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bDaySpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_HoursSpecified(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bHoursSpecified;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_HoursSpecified(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bHoursSpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_MinutesSpecified(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bMinutesSpecified;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_MinutesSpecified(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bMinutesSpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_SecondsSpecified(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bSecondsSpecified;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_SecondsSpecified(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bSecondsSpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_MicrosecondsSpecified(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bMicrosecondsSpecified;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_MicrosecondsSpecified(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bMicrosecondsSpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_UTCSpecified(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bUTCSpecified;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_UTCSpecified(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
m_bUTCSpecified = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE get_IsInterval(
|
||
|
|
/* [retval][out] */ VARIANT_BOOL __RPC_FAR *value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
*value = m_bIsInterval;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE put_IsInterval(
|
||
|
|
/* [in] */ VARIANT_BOOL __RPC_FAR value)
|
||
|
|
{
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if ((VARIANT_TRUE == m_bIsInterval) && (VARIANT_FALSE == value))
|
||
|
|
{
|
||
|
|
if (0 == m_iDay)
|
||
|
|
m_iDay = 1;
|
||
|
|
else if (WBEMDT_MAX_DAY < m_iDay)
|
||
|
|
m_iDay = WBEMDT_MAX_DAY;
|
||
|
|
}
|
||
|
|
|
||
|
|
m_bIsInterval = value;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE GetVarDate(
|
||
|
|
/*[in]*/ VARIANT_BOOL bIsLocal,
|
||
|
|
/*[out, retval]*/ DATE *dVarDate) ;
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE SetVarDate(
|
||
|
|
/*[in]*/ DATE dVarDate,
|
||
|
|
/*[in, optional]*/ VARIANT_BOOL bIsLocal) ;
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE GetFileTime (
|
||
|
|
/*[in, optional]*/ VARIANT_BOOL bIsLocal,
|
||
|
|
/*[out, retval]*/ BSTR *strFileTime
|
||
|
|
);
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE SetFileTime (
|
||
|
|
/*[in]*/ BSTR strFileTime,
|
||
|
|
/*[in, optional]*/ VARIANT_BOOL bIsLocal
|
||
|
|
);
|
||
|
|
|
||
|
|
// IObjectSafety methods
|
||
|
|
HRESULT STDMETHODCALLTYPE SetInterfaceSafetyOptions
|
||
|
|
(
|
||
|
|
/* [in] */ REFIID riid,
|
||
|
|
/* [in] */ DWORD dwOptionSetMask,
|
||
|
|
/* [in] */ DWORD dwEnabledOptions
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if ((IID_IDispatch != riid) && (IID_ISWbemDateTime != riid))
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
|
||
|
|
if (dwOptionSetMask &
|
||
|
|
~(INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACESAFE_FOR_UNTRUSTED_CALLER))
|
||
|
|
return E_FAIL;
|
||
|
|
|
||
|
|
m_dwSafetyOptions = (dwEnabledOptions & dwOptionSetMask);
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE GetInterfaceSafetyOptions(
|
||
|
|
/* [in] */ REFIID riid,
|
||
|
|
/* [out] */ DWORD __RPC_FAR *pdwSupportedOptions,
|
||
|
|
/* [out] */ DWORD __RPC_FAR *pdwEnabledOptions
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if ((IID_IDispatch != riid) && (IID_ISWbemDateTime != riid))
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
|
||
|
|
if (pdwSupportedOptions) *pdwSupportedOptions =
|
||
|
|
(INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACESAFE_FOR_UNTRUSTED_CALLER);
|
||
|
|
if (pdwEnabledOptions) *pdwEnabledOptions = m_dwSafetyOptions;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ISupportErrorInfo methods
|
||
|
|
HRESULT STDMETHODCALLTYPE InterfaceSupportsErrorInfo
|
||
|
|
(
|
||
|
|
/* [in] */ REFIID riid
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return (IID_ISWbemDateTime == riid) ? S_OK : S_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
// IProvideClassInfo methods
|
||
|
|
HRESULT STDMETHODCALLTYPE GetClassInfo
|
||
|
|
(
|
||
|
|
/* [in,out] */ ITypeInfo **ppTI
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return m_Dispatch.GetClassInfo (ppTI);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // _DATETIME_H
|