使用 TRegistry 类[3]: 创建与删除

代码文件:

---

unit Unit1;



interface



uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, StdCtrls;



type

  TForm1 = class(TForm)

    Button1: TButton;

    Button2: TButton;

    Button3: TButton;

    Button4: TButton;

    Button5: TButton;

    procedure Button1Click(Sender: TObject);

    procedure Button2Click(Sender: TObject);

    procedure Button3Click(Sender: TObject);

    procedure Button4Click(Sender: TObject);

    procedure Button5Click(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



uses Registry;



procedure TForm1.Button1Click(Sender: TObject);

var

  reg: TRegistry;

begin

  reg := TRegistry.Create;

  reg.RootKey := HKEY_CURRENT_CONFIG;

  reg.CreateKey('AAA\BBB\CCC');

  reg.OpenKey('AAA\BBB\CCC', False);

  reg.WriteString('abc', '万一');

  reg.CloseKey;

  reg.Free;

end;



procedure TForm1.Button2Click(Sender: TObject);

var

  reg: TRegistry;

begin

  reg := TRegistry.Create;

  reg.RootKey := HKEY_CURRENT_CONFIG;

  reg.OpenKey('XXX\YYY\ZZZ', True);

  reg.WriteInteger('xyz', 132435);

  reg.CloseKey;

  reg.Free;

end;



procedure TForm1.Button3Click(Sender: TObject);

var

  reg: TRegistry;

begin

  reg := TRegistry.Create;

  reg.RootKey := HKEY_CURRENT_CONFIG;

  reg.OpenKey('AAA\BBB\CCC', False);

  reg.DeleteValue('abc');

  reg.CloseKey;

  reg.Free;

end;



procedure TForm1.Button4Click(Sender: TObject);

var

  reg: TRegistry;

begin

  reg := TRegistry.Create;

  reg.RootKey := HKEY_CURRENT_CONFIG;

  reg.OpenKey('XXX\YYY', False);

  reg.DeleteKey('ZZZ');

  reg.CloseKey;

  reg.Free;

end;



procedure TForm1.Button5Click(Sender: TObject);

var

  reg: TRegistry;

begin

  reg := TRegistry.Create;

  reg.RootKey := HKEY_CURRENT_CONFIG;

  reg.DeleteKey('AAA');

  reg.DeleteKey('XXX');

  reg.CloseKey;

  reg.Free;

end;



end.