Title: How to format a currency according to the specified locales settings
function GetCurrency(number: PChar): string;
var
tmpStr: string;
begin
SetLength(tmpStr, 255);
GetCurrencyFormat(LOCALE_SYSTEM_DEFAULT, 0, number, nil, PChar(tmpStr), Length(tmpStr));
Result := tmpStr;
end;
Usage Example:
procedure TForm1.Button1Click(Sender: TObject);
begin
Application.MessageBox(PChar(GetCurrency(PChar(Edit1.Text))), '', MB_OK);
end;