I can get the name of the default printer declared Printers in the uses section:
Printer.Printers[Printer.PrinterIndex]
If by chance, during the execution of the program the user changes the default printer. How can I get this new printer (printer name)?
There is a handle on the Set of the PrinterIndex property, when it passes the -1 value it will always return the default windows printer. Ex:
if Printer.Printers.Count > 0 then
begin
Printer.PrinterIndex := -1;
ShowMessage(Printer.Printers[Printer.PrinterIndex]);
end;