LongDayNames - originally in SysUtils

Question

Moving from Delphi XE to XE5.

Label1.Caption:= 'Today''s day is '+LongDayNames[DayOfWeek(Date)];

'LongDayNames' no longer works. I see that Delphi put these in my uses:

System.SysUtils, System.Variants, System.Classes,

How do I find 'LongDayNames' so it works?

Answer 1

You use the values contained in the SysUtils.FormatSettings global variable:

Label1.Caption := SysUtils.FormatSettings.LongDayNames[DayOfWeek(Date)]; 

This allows them to be localized based on the current Windows locale.

Note that use of the global SysUtils.FormatSettings is not thread-safe. To create a thread-safe copy of the format settings, create a local copy of TFormatSettings using TFormatSettings.Create as described in the documentation here instead.