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MCM_GETFIRSTDAYOFWEEK message

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Retrieves the first day of the week for a month calendar control. You can send this message explicitly or by using the MonthCal_GetFirstDayOfWeek macro.

Parameters

wParam

Must be zero.

lParam

Must be zero.

Return value

Returns a DWORD value that contains two values. The high word is a BOOL value that is nonzero if the first day of the week is set to something other than LOCALE_IFIRSTDAYOFWEEK, or zero otherwise. The low word is an INT value that represents the first day of the week, where 0 is Monday, 1 is Tuesday, and so on.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Commctrl.h