实现的目的是:通过button1的单击事件清空edit1里的内容";通过button2的单击事件弹出form2,并响应form2的onshow事件,并执行代码:memo1.lines.clear;代码如下:(我用的delphi7.0的)
这是unit1
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Label1: TLabel;
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementationuses Unit2;{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
edit1.Text:='';
end;procedure TForm1.Button2Click(Sender: TObject);
begin
form2.Show;
end;end.
这是unit2:
unit Unit2;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm2 = class(TForm)
Label1: TLabel;
Memo1: TMemo;
Button1: TButton;
procedure Button1Click(Sender: TObject);
procedure FormShow(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form2: TForm2;implementation
uses unit1;
{$R *.dfm}procedure TForm2.FormShow(Sender: TObject);
begin
memo1.lines.Clear;
end;procedure TForm2.Button1Click(Sender: TObject);
begin
close;
end;
end.
这是unit1
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Label1: TLabel;
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementationuses Unit2;{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
edit1.Text:='';
end;procedure TForm1.Button2Click(Sender: TObject);
begin
form2.Show;
end;end.
这是unit2:
unit Unit2;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm2 = class(TForm)
Label1: TLabel;
Memo1: TMemo;
Button1: TButton;
procedure Button1Click(Sender: TObject);
procedure FormShow(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form2: TForm2;implementation
uses unit1;
{$R *.dfm}procedure TForm2.FormShow(Sender: TObject);
begin
memo1.lines.Clear;
end;procedure TForm2.Button1Click(Sender: TObject);
begin
close;
end;
end.
我在delphi6下面完全通过啊