unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls,ComCtrls;type
TForm1 = class(TForm)
PageControl1: TPageControl;
TabSheet1: TTabSheet;
TabSheet2: TTabSheet;
TabSheet3: TTabSheet;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;
sp1:tshape;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
sp1:=tshape.Create(nil);
sp1.Parent:=form1.PageControl1.Pages[0];
sp1.Name:='aaaa';
end;procedure TForm1.Button2Click(Sender: TObject);
var sp1:tshape;
begin
tshape(form1.PageControl1.Pages[0].FindChildControl('aaaa')).Destroy;
//sp1.Destroy;
end;end.
点击button1,动态生成 一个tshape,点击button2时删除tshape时老是出错~~要如何才能实现??
麻烦各位大侠支招~~在线等~~
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls,ComCtrls;type
TForm1 = class(TForm)
PageControl1: TPageControl;
TabSheet1: TTabSheet;
TabSheet2: TTabSheet;
TabSheet3: TTabSheet;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;
sp1:tshape;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
sp1:=tshape.Create(nil);
sp1.Parent:=form1.PageControl1.Pages[0];
sp1.Name:='aaaa';
end;procedure TForm1.Button2Click(Sender: TObject);
var sp1:tshape;
begin
tshape(form1.PageControl1.Pages[0].FindChildControl('aaaa')).Destroy;
//sp1.Destroy;
end;end.
点击button1,动态生成 一个tshape,点击button2时删除tshape时老是出错~~要如何才能实现??
麻烦各位大侠支招~~在线等~~
可以用PageControl1.Pages[0].Controls[]遍历