unit ushowpage; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, ieview, imageenview; type Tfshowpage = class(TForm) ImageEnView1: TImageEnView; procedure ImageEnView1Progress(Sender: TObject; per: Integer); private { Private declarations } public { Public declarations } end; var fshowpage: Tfshowpage; implementation uses umain; {$R *.DFM} procedure Tfshowpage.ImageEnView1Progress(Sender: TObject; per: Integer); begin MainForm.ProgressBar1.Position:=per; end; end.