Formatsettings or TFormatSettings in Delphi
FormatSettings Formatsettings is a global variable of TFormatsettings record type in Delphi which is used to get local information's like DateTimeFormat, CurrencyFormat, DecimalSeparator etc. This variable was introduced in Delphi XE and before Delphi XE DateTimeFormat, DecimalSeparator, CurrencyFormat, etc. were declared as separate global variables in SysUtils.pas. So when we migrate a Delphi project from old Delphi version to new Delphi version we generally get following errors and to solve this issue we need to use Formatsettings.DecimalSeparator. Please visit my blog for more detail about such errors E2003 Undeclared identifier 'ShortDateFormat' error in Delphi XE3 or later versions Errors when we migrate a project from Delphi 7 to Delphi XE3 Undeclared identifier DecimalSeparator Undeclared identifier CurrencyFormat Undeclared identifier ThousandSeparator Undeclared identifier DateSeparator Undeclared identifier ...