System.DateUtils.IsValidDateDay
Delphi
function IsValidDateDay(const AYear, ADayOfYear: Word): Boolean;
C++
extern DELPHI_PACKAGE bool __fastcall IsValidDateDay(const System::Word AYear, const System::Word ADayOfYear);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | System.DateUtils.pas System.DateUtils.hpp |
System.DateUtils | System.DateUtils |
Description
Indicates whether a specified year and day of the year represent a valid date.
IsValidDateDay returns True if:
- AYear falls in the range from 1 through 9999 inclusive.
- ADay falls in the range from 1 through the number of days in the specified year.
Otherwise, IsValidDateDay returns False.
See Also