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照你们说的:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TForm1 = class(TForm)
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
i:integer;
implementation
uses unit2;
{$R *.DFM}
procedure TForm1.Button2Click(Sender: TObject);
begin
form2.Show;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
i:=1;
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
edit1.text:=inttostr(i);
end;
end.
unit Unit2;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls,unit1;
type
TForm2 = class(TForm)
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form2: TForm2;
implementation
{$R *.DFM}
procedure TForm2.Button2Click(Sender: TObject);
begin
close;
end;
procedure TForm2.Button1Click(Sender: TObject);
begin
edit1.text:=inttostr(i);
end;
procedure TForm2.Button3Click(Sender: TObject);
begin
i:=10;
end;
end.
不行
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TForm1 = class(TForm)
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
i:integer;
implementation
uses unit2;
{$R *.DFM}
procedure TForm1.Button2Click(Sender: TObject);
begin
form2.Show;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
i:=1;
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
edit1.text:=inttostr(i);
end;
end.
unit Unit2;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls,unit1;
type
TForm2 = class(TForm)
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form2: TForm2;
implementation
{$R *.DFM}
procedure TForm2.Button2Click(Sender: TObject);
begin
close;
end;
procedure TForm2.Button1Click(Sender: TObject);
begin
edit1.text:=inttostr(i);
end;
procedure TForm2.Button3Click(Sender: TObject);
begin
i:=10;
end;
end.
不行