DateUtils.IsValidTime Function

Indicates whether a specified hour, minute, second, and millisecond represent a valid date and time.

Pascal

function IsValidTime(const AHour: Word; const AMinute: Word; const ASecond: Word; const AMilliSecond: Word): Boolean;

C++

Boolean IsValidTime(const Word AHour, const Word AMinute, const Word ASecond, const Word AMilliSecond);

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.