MonthCal_SetFirstDayOfWeek


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MonthCal_SetFirstDayOfWeek
DWORD MonthCal_SetFirstDayOfWeek(
    HWND hwndMC,
    INT iDay
);
Sets the first day of the week for a month calendar control. You can use this macro or send the MCM_SETFIRSTDAYOFWEEK message explicitly.
Returns a DWORD value that contains two values. The high word is a BOOL value that is nonzero if the previous first day of the week did not equal LOCALE_IFIRSTDAYOFWEEK, or zero otherwise. The low word is an INT value that represents the previous first day of the week.

hwndMC
Handle to a month calendar control.
iDay
INT value representing which day is to be set as the first day of the week. This value must be one of the day numbers.

If the first day of the week is set to anything other than the default (LOCALE_IFIRSTDAYOFWEEK), the control will not automatically update first-day-of-the-week changes based on locale changes.
Version 4.70

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