Vérifier si l'imprimante par défaut imprime en couleur

uses Printers, WinSpool;

procedure TForm1.Button1Click(Sender: TObject);
var
Dev, Drv, Prt: Array[0..255] of Char;
DM1: PDeviceMode;
DM2: PDeviceMode;
Sz: Integer;
DevM: THandle;
begin
Printer.PrinterIndex := - 1;
Printer.GetPrinter(Dev, Drv, Prt, DevM);
DM1 := nil;
DM2 := nil;
Sz := DocumentProperties(0, 0, Dev, DM1^, DM2^, 0);
GetMem(DM1, Sz);
DocumentProperties(0, 0, Dev, DM1^, DM2^, DM_OUT_BUFFER);
if DM1^.dmColor > 1 then
Label1.Caption := Dev + ': Color'
else
Label1.Caption := Dev + ': Black and White';
if DM1^.dmFields and DM_Color <> 0 then
Label2.Caption := 'Printer supports color printing'
else
Label2.Caption := 'Printer does not support color printing';
FreeMem(DM1);
end;