提示list index out of bounds(0);
代码如下:
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ComCtrls, ImgList, ToolWin, ExtCtrls, RzPanel,
OleCtrls, SHDocVw;type
TForm1 = class(TForm)
WebBrowser1: TWebBrowser;
RzPanel1: TRzPanel;
ToolBar1: TToolBar;
ToolButton1: TToolButton;
ToolButton2: TToolButton;
ToolButton3: TToolButton;
ToolButton4: TToolButton;
ToolButton5: TToolButton;
ToolButton6: TToolButton;
ToolButton7: TToolButton;
ImageList1: TImageList;
StatusBar1: TStatusBar;
Edit1: TEdit;
Button1: TButton;
Label1: TLabel;
ToolButton8: TToolButton;
procedure Button1Click(Sender: TObject);
procedure ToolButton8Click(Sender: TObject);
procedure ToolButton1Click(Sender: TObject);
procedure ToolButton2Click(Sender: TObject);
procedure ToolButton4Click(Sender: TObject);
procedure ToolButton5Click(Sender: TObject);
procedure ToolButton6Click(Sender: TObject);
procedure WebBrowser1DownloadBegin(Sender: TObject);
procedure WebBrowser1DownloadComplete(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
WebBrowser1.Navigate(edit1.Text);
end;procedure TForm1.ToolButton8Click(Sender: TObject);
begin
close;end;procedure TForm1.ToolButton1Click(Sender: TObject);
begin
try
WebBrowser1.GoBack;
except
showmessage('已经到了最早的历史记录');
exit;
end;
end;procedure TForm1.ToolButton2Click(Sender: TObject);
begin
try
WebBrowser1.GoForward;
except
showmessage('已经到了最后的历史记录');
exit;
end;
end;procedure TForm1.ToolButton4Click(Sender: TObject);
begin
webbrowser1.Stop;
end;procedure TForm1.ToolButton5Click(Sender: TObject);
begin
webbrowser1.Refresh;
end;procedure TForm1.ToolButton6Click(Sender: TObject);
begin
webbrowser1.GoHome;
end;procedure TForm1.WebBrowser1DownloadBegin(Sender: TObject);
begin
statusbar1.Panels[0].Text:='正在连接地址'+edit1.Text;
end;procedure TForm1.WebBrowser1DownloadComplete(Sender: TObject);
begin
statusbar1.Panels[0].Text:='完成'+webbrowser1.LocationURL;
end;end.
代码如下:
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ComCtrls, ImgList, ToolWin, ExtCtrls, RzPanel,
OleCtrls, SHDocVw;type
TForm1 = class(TForm)
WebBrowser1: TWebBrowser;
RzPanel1: TRzPanel;
ToolBar1: TToolBar;
ToolButton1: TToolButton;
ToolButton2: TToolButton;
ToolButton3: TToolButton;
ToolButton4: TToolButton;
ToolButton5: TToolButton;
ToolButton6: TToolButton;
ToolButton7: TToolButton;
ImageList1: TImageList;
StatusBar1: TStatusBar;
Edit1: TEdit;
Button1: TButton;
Label1: TLabel;
ToolButton8: TToolButton;
procedure Button1Click(Sender: TObject);
procedure ToolButton8Click(Sender: TObject);
procedure ToolButton1Click(Sender: TObject);
procedure ToolButton2Click(Sender: TObject);
procedure ToolButton4Click(Sender: TObject);
procedure ToolButton5Click(Sender: TObject);
procedure ToolButton6Click(Sender: TObject);
procedure WebBrowser1DownloadBegin(Sender: TObject);
procedure WebBrowser1DownloadComplete(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
WebBrowser1.Navigate(edit1.Text);
end;procedure TForm1.ToolButton8Click(Sender: TObject);
begin
close;end;procedure TForm1.ToolButton1Click(Sender: TObject);
begin
try
WebBrowser1.GoBack;
except
showmessage('已经到了最早的历史记录');
exit;
end;
end;procedure TForm1.ToolButton2Click(Sender: TObject);
begin
try
WebBrowser1.GoForward;
except
showmessage('已经到了最后的历史记录');
exit;
end;
end;procedure TForm1.ToolButton4Click(Sender: TObject);
begin
webbrowser1.Stop;
end;procedure TForm1.ToolButton5Click(Sender: TObject);
begin
webbrowser1.Refresh;
end;procedure TForm1.ToolButton6Click(Sender: TObject);
begin
webbrowser1.GoHome;
end;procedure TForm1.WebBrowser1DownloadBegin(Sender: TObject);
begin
statusbar1.Panels[0].Text:='正在连接地址'+edit1.Text;
end;procedure TForm1.WebBrowser1DownloadComplete(Sender: TObject);
begin
statusbar1.Panels[0].Text:='完成'+webbrowser1.LocationURL;
end;end.
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应该是你的TOOLButton引用的ImgList中的图片索引值越界了