| StartOfISOWeekNo Routines | 
Unit
QESBPCSDateTime
| Overloaded Variants | 
| Function StartOfISOWeekNo(const WeekNo: Integer; const Year: Word): TDateTime; | 
| Function StartOfISOWeekNo(const WeekNo, Year: Integer): TDateTime; | 
Declaration
Function StartOfISOWeekNo(const WeekNo: Integer; const Year: Word): TDateTime;
Description
Note that the Start of the Week is Monday in ISO-8601.
| Parameters | 
| WeekNo | Returns the ISO-8601 Week Number in specified Year | 
| Year | Returns 4 digit year to which the Week Number applies. | 
Category
Date/Time Arithmetic Routines
Week Based Arithmetic RoutinesImplementation
 
| function StartOfISOWeekNo (const WeekNo: Integer; const Year: Word): TDateTime;
var
     FirstMonday: TDateTime;
begin
     FirstMonday := GetFirstMondayOfYear (Year);
     if Date2Day (FirstMonday) < 5 then
          Result := AddWeeks (FirstMonday, WeekNo - 1)
     else
          Result := AddWeeks (FirstMonday, WeekNo - 2)
End; | 
Declaration
Function StartOfISOWeekNo(const WeekNo, Year: Integer): TDateTime;Implementation
 
| function StartOfISOWeekNo (const WeekNo, Year: Integer): TDateTime;
var
     FirstMonday: TDateTime;
begin
     FirstMonday := GetFirstMondayOfYear (Year);
     if Date2Day (FirstMonday) < 5 then
          Result := AddWeeks (FirstMonday, WeekNo - 1)
     else
          Result := AddWeeks (FirstMonday, WeekNo - 2)
End; | 
|  |