107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
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//*********************************************************************
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//* Microsoft Windows **
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//* Copyright(c) Microsoft Corp., 1999 **
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//*********************************************************************
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//
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// SYSCLOCK.H - Header for the implementation of CSystemClock
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//
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// HISTORY:
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//
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// 1/27/99 a-jaswed Created.
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//
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#ifndef _SYSCLOCK_H_
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#define _SYSCLOCK_H_
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#include <windows.h>
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#include <assert.h>
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#include <oleauto.h>
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#include <regstr.h>
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// Time Zone data value keys
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#define TIME_ZONE_REGKEY \
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L"Software\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones"
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#define TIME_ZONE_INFO_REGKEY \
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L"SYSTEM\\CurrentControlSet\\Control\\TimeZoneInformation"
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#define TIMEZONE_STANDARD_NAME \
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L"StandardName"
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#define TIME_ZONE_DISPLAYNAME_REGVAL L"Display"
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#define TIME_ZONE_STANDARDNAME_REGVAL L"Std"
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#define TIME_ZONE_DAYLIGHTNAME_REGVAL L"Dlt"
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#define TIME_ZONE_INDEX_REGVAL L"Index"
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#define TIME_ZONE_TZI_REGVAL L"TZI"
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#define TIME_ZONE_MAPINFO_REGVAL L"MapID"
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#define TZNAME_SIZE 32
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#define TZDISPLAYZ 500
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#define MAXKEYNAMELEN 100
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// stuff from registry goes in here
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// whole point of this re-ordered structure is
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// because registry stores the last 5 fields
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// together in hex, want to read them in all at once
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typedef struct tagTZINFO {
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struct tagTZINFO *next;
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WCHAR szDisplayName[TZDISPLAYZ];
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WCHAR szStandardName[TZNAME_SIZE];
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WCHAR szDaylightName[TZNAME_SIZE];
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LONG Index;
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LONG Bias;
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LONG StandardBias;
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LONG DaylightBias;
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SYSTEMTIME StandardDate;
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SYSTEMTIME DaylightDate;
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} TZINFO, NEAR *PTZINFO;
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class CSystemClock : public IDispatch
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{
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private:
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ULONG m_cRef;
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WCHAR *m_szTimeZoneOptionStrs;
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PTZINFO m_pTimeZoneArr;
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ULONG m_cNumTimeZones, m_uCurTimeZoneIdx;
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BOOL m_bSetAutoDaylightMode;
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BOOL m_bTimeZonePreset;
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HINSTANCE m_hInstance;
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WCHAR DefltZoneKeyValue[MAXKEYNAMELEN];
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//internal SET functions
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HRESULT set_TimeZone (BSTR bstrTimeZone);
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HRESULT set_Time (WORD wHour, WORD wMinute, WORD wSec);
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HRESULT set_Date (WORD wMonth, WORD wDay, WORD wYear);
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//Methods
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void GetTimeZoneInfo(BOOL fAutoDaylightSavings, PTZINFO ptZone);
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void SetAllowLocalTimeChange (BOOL fAutoDaylightSavings);
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BOOL SetTheTimezone (BOOL fAutoDaylightSavings, PTZINFO ptZone);
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HRESULT ReadZoneData (PTZINFO ptZone, HKEY hKey, LPCWSTR szKeyName);
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HRESULT InitSystemClock();
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int GetTimeZoneValStr();
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public:
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CSystemClock (HINSTANCE m_bhInstance);
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~CSystemClock ();
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// IUnknown Interfaces
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STDMETHODIMP QueryInterface (REFIID riid, LPVOID* ppvObj);
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STDMETHODIMP_(ULONG) AddRef ();
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STDMETHODIMP_(ULONG) Release ();
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//IDispatch Interfaces
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STDMETHOD (GetTypeInfoCount) (UINT* pcInfo);
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STDMETHOD (GetTypeInfo) (UINT, LCID, ITypeInfo** );
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STDMETHOD (GetIDsOfNames) (REFIID, OLECHAR**, UINT, LCID, DISPID* );
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STDMETHOD (Invoke) (DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pdispparams, VARIANT* pvarResult, EXCEPINFO* pexcepinfo, UINT* puArgErr);
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};
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#endif
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