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.