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https://github.com/reactos/reactos.git
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408 lines
12 KiB
C
408 lines
12 KiB
C
/*
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* PROJECT: ReactOS Timedate Control Panel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: dll/cpl/timedate/dateandtime.c
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* PURPOSE: Date & Time property page
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* COPYRIGHT: Copyright 2004-2007 Eric Kohl
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* Copyright 2006 Ged Murphy <gedmurphy@gmail.com>
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* Copyright 2006 Thomas Weidenmueller <w3seek@reactos.com>
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*
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*/
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#include "timedate.h"
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static WNDPROC pOldWndProc = NULL;
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BOOL
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SystemSetLocalTime(LPSYSTEMTIME lpSystemTime)
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{
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HANDLE hToken;
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DWORD PrevSize;
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TOKEN_PRIVILEGES priv, previouspriv;
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BOOL Ret = FALSE;
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/*
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* Enable the SeSystemtimePrivilege privilege
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*/
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if (OpenProcessToken(GetCurrentProcess(),
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TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
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&hToken))
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{
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priv.PrivilegeCount = 1;
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priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
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if (LookupPrivilegeValueW(NULL,
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SE_SYSTEMTIME_NAME,
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&priv.Privileges[0].Luid))
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{
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if (AdjustTokenPrivileges(hToken,
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FALSE,
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&priv,
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sizeof(previouspriv),
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&previouspriv,
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&PrevSize) &&
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GetLastError() == ERROR_SUCCESS)
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{
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/*
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* We successfully enabled it, we're permitted to change the time.
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* Call SetLocalTime twice to ensure correct results.
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*/
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Ret = SetLocalTime(lpSystemTime) &&
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SetLocalTime(lpSystemTime);
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/*
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* For the sake of security, restore the previous status again
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*/
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if (previouspriv.PrivilegeCount > 0)
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{
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AdjustTokenPrivileges(hToken,
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FALSE,
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&previouspriv,
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0,
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NULL,
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0);
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}
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}
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}
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CloseHandle(hToken);
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}
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return Ret;
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}
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static VOID
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SetLocalSystemTime(HWND hwnd)
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{
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SYSTEMTIME Time;
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if (DateTime_GetSystemtime(GetDlgItem(hwnd,
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IDC_TIMEPICKER),
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&Time) == GDT_VALID &&
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SendMessageW(GetDlgItem(hwnd,
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IDC_MONTHCALENDAR),
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MCCM_GETDATE,
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(WPARAM)&Time,
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0))
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{
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SystemSetLocalTime(&Time);
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SetWindowLongPtrW(hwnd,
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DWLP_MSGRESULT,
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PSNRET_NOERROR);
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SendMessageW(GetDlgItem(hwnd,
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IDC_MONTHCALENDAR),
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MCCM_RESET,
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(WPARAM)&Time,
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0);
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/* Broadcast the time change message */
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SendMessageW(HWND_BROADCAST,
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WM_TIMECHANGE,
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0,
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0);
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}
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}
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static VOID
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SetTimeZoneName(HWND hwnd)
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{
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TIME_ZONE_INFORMATION TimeZoneInfo;
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WCHAR TimeZoneString[128];
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WCHAR TimeZoneText[128];
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WCHAR TimeZoneName[128];
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DWORD TimeZoneId;
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TimeZoneId = GetTimeZoneInformation(&TimeZoneInfo);
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LoadStringW(hApplet, IDS_TIMEZONETEXT, TimeZoneText, 128);
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switch (TimeZoneId)
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{
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case TIME_ZONE_ID_STANDARD:
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case TIME_ZONE_ID_UNKNOWN:
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wcscpy(TimeZoneName, TimeZoneInfo.StandardName);
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break;
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case TIME_ZONE_ID_DAYLIGHT:
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wcscpy(TimeZoneName, TimeZoneInfo.DaylightName);
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break;
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case TIME_ZONE_ID_INVALID:
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default:
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LoadStringW(hApplet, IDS_TIMEZONEINVALID, TimeZoneName, 128);
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break;
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}
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wsprintfW(TimeZoneString, TimeZoneText, TimeZoneName);
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SendDlgItemMessageW(hwnd, IDC_TIMEZONE, WM_SETTEXT, 0, (LPARAM)TimeZoneString);
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}
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static VOID
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FillMonthsComboBox(HWND hCombo)
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{
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SYSTEMTIME LocalDate = {0};
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WCHAR szBuf[64];
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INT i;
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UINT Month;
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GetLocalTime(&LocalDate);
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SendMessageW(hCombo,
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CB_RESETCONTENT,
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0,
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0);
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for (Month = 1;
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Month <= 13;
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Month++)
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{
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i = GetLocaleInfoW(LOCALE_USER_DEFAULT,
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((Month < 13) ? LOCALE_SMONTHNAME1 + Month - 1 : LOCALE_SMONTHNAME13),
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szBuf,
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sizeof(szBuf) / sizeof(szBuf[0]));
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if (i > 1)
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{
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i = (INT)SendMessageW(hCombo,
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CB_ADDSTRING,
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0,
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(LPARAM)szBuf);
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if (i != CB_ERR)
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{
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SendMessageW(hCombo,
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CB_SETITEMDATA,
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(WPARAM)i,
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Month);
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if (Month == (UINT)LocalDate.wMonth)
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{
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SendMessageW(hCombo,
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CB_SETCURSEL,
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(WPARAM)i,
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0);
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}
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}
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}
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}
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}
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static WORD
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GetCBSelectedMonth(HWND hCombo)
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{
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INT i;
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WORD Ret = (WORD)-1;
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i = (INT)SendMessageW(hCombo,
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CB_GETCURSEL,
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0,
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0);
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if (i != CB_ERR)
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{
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i = (INT)SendMessageW(hCombo,
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CB_GETITEMDATA,
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(WPARAM)i,
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0);
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if (i >= 1 && i <= 13)
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Ret = (WORD)i;
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}
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return Ret;
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}
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static VOID
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ChangeMonthCalDate(HWND hMonthCal,
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WORD Day,
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WORD Month,
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WORD Year)
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{
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SendMessageW(hMonthCal,
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MCCM_SETDATE,
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MAKEWPARAM(Day,
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Month),
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MAKELPARAM(Year,
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0));
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}
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static VOID
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AutoUpdateMonthCal(HWND hwndDlg,
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PNMMCCAUTOUPDATE lpAutoUpdate)
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{
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UNREFERENCED_PARAMETER(lpAutoUpdate);
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/* Update the controls */
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FillMonthsComboBox(GetDlgItem(hwndDlg,
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IDC_MONTHCB));
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}
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static INT_PTR CALLBACK
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DTPProc(HWND hwnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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switch (uMsg)
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{
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case WM_KEYDOWN:
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/* Stop the timer when the user is about to change the time */
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if ((wParam != VK_LEFT) & (wParam != VK_RIGHT))
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KillTimer(GetParent(hwnd), ID_TIMER);
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break;
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}
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return CallWindowProcW(pOldWndProc, hwnd, uMsg, wParam, lParam);
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}
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/* Property page dialog callback */
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INT_PTR CALLBACK
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DateTimePageProc(HWND hwndDlg,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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SYSTEMTIME st;
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GetLocalTime(&st);
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switch (uMsg)
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{
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case WM_INITDIALOG:
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FillMonthsComboBox(GetDlgItem(hwndDlg,
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IDC_MONTHCB));
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SetTimer(hwndDlg, ID_TIMER, 1000, NULL);
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/* Set range and current year */
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SendMessageW(GetDlgItem(hwndDlg, IDC_YEAR), UDM_SETRANGE, 0, MAKELONG ((short) 9999, (short) 1900));
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SendMessageW(GetDlgItem(hwndDlg, IDC_YEAR), UDM_SETPOS, 0, MAKELONG( (short) st.wYear, 0));
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pOldWndProc = (WNDPROC)SetWindowLongPtrW(GetDlgItem(hwndDlg, IDC_TIMEPICKER), GWLP_WNDPROC, (LONG_PTR)DTPProc);
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break;
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case WM_TIMER:
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SendMessageW(GetDlgItem(hwndDlg, IDC_TIMEPICKER), DTM_SETSYSTEMTIME, GDT_VALID, (LPARAM) &st);
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam))
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{
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case IDC_MONTHCB:
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if (HIWORD(wParam) == CBN_SELCHANGE)
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{
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ChangeMonthCalDate(GetDlgItem(hwndDlg,
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IDC_MONTHCALENDAR),
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(WORD) -1,
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GetCBSelectedMonth((HWND)lParam),
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(WORD) -1);
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}
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break;
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}
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break;
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case WM_CTLCOLORSTATIC:
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if ((HWND)lParam == GetDlgItem(hwndDlg, IDC_YEARTEXT))
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return (INT_PTR)GetSysColorBrush(COLOR_WINDOW);
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break;
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case WM_NOTIFY:
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{
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LPNMHDR lpnm = (LPNMHDR)lParam;
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switch (lpnm->idFrom)
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{
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case IDC_YEAR:
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switch (lpnm->code)
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{
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case UDN_DELTAPOS:
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{
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SHORT wYear;
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LPNMUPDOWN updown = (LPNMUPDOWN)lpnm;
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wYear = (SHORT)SendMessageW(GetDlgItem(hwndDlg, IDC_YEAR), UDM_GETPOS, 0, 0);
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/* Enable the 'Apply' button */
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PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
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ChangeMonthCalDate(GetDlgItem(hwndDlg,
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IDC_MONTHCALENDAR),
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(WORD) -1,
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(WORD) -1,
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(WORD) (wYear + updown->iDelta));
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}
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break;
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}
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break;
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case IDC_TIMEPICKER:
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switch (lpnm->code)
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{
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case DTN_DATETIMECHANGE:
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/* Stop the timer */
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KillTimer(hwndDlg, ID_TIMER);
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/* Tell the clock to stop ticking */
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SendDlgItemMessageW(hwndDlg, IDC_CLOCKWND, CLM_STOPCLOCK,
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0, 0);
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/* Enable the 'Apply' button */
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PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
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break;
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}
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break;
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case IDC_MONTHCALENDAR:
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switch (lpnm->code)
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{
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case MCCN_SELCHANGE:
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/* Enable the 'Apply' button */
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PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
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break;
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case MCCN_AUTOUPDATE:
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AutoUpdateMonthCal(hwndDlg,
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(PNMMCCAUTOUPDATE)lpnm);
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break;
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}
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break;
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default:
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switch (lpnm->code)
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{
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case PSN_SETACTIVE:
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SetTimeZoneName(hwndDlg);
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break;
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case PSN_APPLY:
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SetLocalSystemTime(hwndDlg);
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SetTimer(hwndDlg, ID_TIMER, 1000, NULL);
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/* Tell the clock to start ticking */
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SendDlgItemMessageW(hwndDlg, IDC_CLOCKWND, CLM_STARTCLOCK,
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0, 0);
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return TRUE;
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}
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break;
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}
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}
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break;
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case WM_TIMECHANGE:
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/* FIXME: We don't get this message as we're not a top-level window... */
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SendMessageW(GetDlgItem(hwndDlg,
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IDC_MONTHCALENDAR),
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MCCM_RESET,
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0,
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0);
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break;
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case WM_DESTROY:
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KillTimer(hwndDlg, ID_TIMER);
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break;
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}
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return FALSE;
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}
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