镁合金化学镀镍:Delphi获取所有打印机名称和型号
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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs,Registry, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
ListBox1: TListBox;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
const MAX_PATH = 144;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var R: TRegistry;
i: integer;
L: TstringList;
S: string;
begin
R := TRegistry.Create;
L := TStringList.Create;
S := '\System\CurrentControlSet\Control\Print\Printers';
R.RootKey := HKEY_LOCAL_MACHINE;
R.OpenKey(S,false);
R.GetKeyNames(L);// 得到子键名列表
R.CloseKey;
ListBox1.Items.Clear;
for i := 0 to L.Count - 1 Do
begin
R.OpenKey(S + '\' + L[i], false);
ListBox1.Items.Add(R.ReadString('Name')+' '+ R.ReadString('Printer Driver') );
//列出打印机的名字 和型号
R.CloseKey;
end;
R.Free;
L.Free;
end;
end.