Indicates whether a specified hour, minute, second, and millisecond represent a valid date and time.
function IsValidTime(const AHour: Word; const AMinute: Word; const ASecond: Word; const AMilliSecond: Word): Boolean;
Boolean IsValidTime(const Word AHour, const Word AMinute, const Word ASecond, const Word AMilliSecond);
DateUtils
IsValidTime returns true if
AHour falls in the range from 0 to 24, and if AHour is 24, then AMinute, ASecond, and AMilliSecond must all be 0.
AMinute falls in the range from 0 to 59 inclusive.
ASecond falls in the range from 0 to 59 inclusive.
AMilliSecond falls in the range from 0 to 999 inclusive.
Otherwise, IsValidTime returns false.
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