我最近才开始刚学delphi,由于要面临毕业设计和毕业论文的完成,所以寻找高手指点,好心人加qq82118195,加是说明delphi,谢谢!我有段程序不明白,希望大家帮忙
type
  TMana = class(TForm)
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    OldPass: TMaskEdit;
    NewPass: TMaskEdit;
    RPass: TMaskEdit;
    Label4: TLabel;
    GroupBox2: TGroupBox;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    Button2: TButton;
    NewTime: TMaskEdit;
    Button3: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;