delphi 关于构造方法的重写-木庄网络博客

本文整理自网络，侵删。

 unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }

  end;





  THello=class
  public

    FStr:string;
  public
    constructor Hello;
      

  end;  



var
  Form1: TForm1;

implementation

{$R *.dfm}

{ THello }

constructor THello.Hello;
begin
  FStr:='Hello';

end;

procedure TForm1.Button1Click(Sender: TObject);
var
  He:THello;
begin
  HE:=THello.Hello;
  ShowMessage(He.FStr);
end;

end.

delphi 关于构造方法的重写

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