procedure
TForm1.WebBrowser1ProgressChange(ASender: TObject;
Progress,
ProgressMax: Integer);
begin
ProgressBar1.Max:=ProgressMax;
if Progress = -1 then
//ProgressBar1.Visible:=false
else
begin
ProgressBar1.Position
:=
Progress;
ProgressBar1.Visible := True;
end;
if ProgressBar1.Position = ProgressMax then
//ProgressBar1.Visible:=False;
end;delphi 使用进度条查看浏览器状态,布布扣,bubuko.com
原文：http://www.cnblogs.com/xe2011/p/3884324.html