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System.DateUtils.IsValidDateTime

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Delphi

function IsValidDateTime(const AYear, AMonth, ADay, AHour, AMinute, ASecond, AMilliSecond: Word): Boolean;

C++

extern DELPHI_PACKAGE bool __fastcall IsValidDateTime(const System::Word AYear, const System::Word AMonth, const System::Word ADay, const System::Word AHour, const System::Word AMinute, const System::Word ASecond, const System::Word AMilliSecond);

Properties

Type Visibility Source Unit Parent
function public
System.DateUtils.pas
System.DateUtils.hpp
System.DateUtils System.DateUtils

Description

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

IsValidDateTime returns True if:

  • AYear falls in the range from 1 through 9999 inclusive.
  • AMonth falls in the range from 1 through 12 inclusive.
  • ADay falls in the range from 1 through the number of days in the specified month.
  • AHour falls in the range from 0 through 24, and if AHour is 24, then AMinute, ASecond, and AMilliSecond must all be 0.
  • AMinute falls in the range from 0 through 59 inclusive.
  • ASecond falls in the range from 0 through 59 inclusive.
  • AMilliSecond falls in the range from 0 through 999 inclusive.

Otherwise, IsValidDateTime returns False.

See Also


Code Examples

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