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form2ÄܹرÕform1,
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unit Unit1;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,Unit2;
type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  end;
var
  Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
  Form2: TForm2;
begin
  Form2:= TForm2.Create(self);
  form2.Show;
end;
end.
///////////////////////////////////
unit Unit2;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,Unit3;
type
  TForm2 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  end;
var
  Form2: TForm2;
implementation
uses
  Unit1;
{$R *.dfm}
procedure TForm2.Button1Click(Sender: TObject);
var
  Form3: TForm3;
begin
  Form3:= TForm3.Create(self);
  fo


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Delphi(Pascal) code:

unit UShare;
interface
uses Windows, Me ......

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