Advance Pascal Script (DWS Extanded)
FirstDayOfMonth
FirstDayOfMonth- -
Description
function FirstDayOfMonth(D: DateTime): DateTime
UP
Now,
Date,
Time,
DateTimeToStr,
StrToDateTime,
DateToStr,
StrToDate,
TimeToStr,
StrToTime,
DayOfWeek,
FormatDateTime,
IsLeapYear,
IncMonth,
DecodeDate,
EncodeDate,
DecodeTime,
EncodeTime,
IncAMonth,
ReplaceTime,
ReplaceDate,
StrToDateDef,
StrToTimeDef,
StrToDateTimeDef,
DateOf,
TimeOf,
IsInLeapYear,
IsPM,
IsValidDate,
IsValidTime,
IsValidDateTime,
IsValidDateDay,
IsValidDateWeek,
IsValidDateMonthWeek,
WeeksInYear,
WeeksInAYear,
DaysInYear,
DaysInAYear,
DaysInMonth,
DaysInAMonth,
Today,
Yesterday,
Tomorrow,
IsToday,
IsSameDay,
FileDateTime,
ThaiStrToDateTime,
ThaiStrToDate,
IncTime,
IncHour,
IncMinute,
IncSecond,
IncMSec,
StrToDateFmt,
StrToDateFmtDef,
ThaiDateToStr,
ThaiDateTimeToStr,
IsMidnight,
IsNoon,
IsAM,
Noon,
Midnight,
FirstDayOfMonth,
LastDayOfMonth,
NextWorkday,
PreviousWorkday,
FirstDayOfYear,
LastDayOfYear,
IncDay,
IncWeek,
IncYear,
DiffMilliseconds,
DiffSeconds,
DiffMinutes,
DiffHours,
DiffDays,
DiffWeeks,
DiffMonths,
DiffYears,
Century,
Year,
Month,
Day,
Hour,
Minute,
Second,
Millisecond,