?
Solved

HTTP Get with progress meter (with Indy?)

Posted on 2009-05-06
3
Medium Priority
?
813 Views
Last Modified: 2012-05-06
I'm looking for sample Delphi 7 code with Indy 9.0 that does an http get of a file, with a hook for an OnWork event (so I can have a progress meter.)

Does anyone know if this is possible with Indy. I'd prefer not to use another library if possible.
0
Comment
Question by:tfield98
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
3 Comments
 
LVL 18

Accepted Solution

by:
Johnjces earned 2000 total points
ID: 24320359
Try the following...

Not certain where I got the code.

John

drop a TIdHTTP, a TLabel a TIdAntiFreeze and a TProgressBar
 
procedure TForm1.IdHttp1WorkBegin(Sender:TObject; AWorkMode:TWorkMode;const AWorkCountMax:Integer);
begin
  if AWorkMode = wmRead then
  begin
    ProgressBar1.Max := AWorkCountMax ;
    ProgressBar1.Position := 0 ;
  end;
end;
 
procedure TForm1.IdHttp1Work(Sender: TObject; AWorkMode: TWorkMode; const AWorkCount: Integer);
begin
  if AWorkMode = wmRead then
  begin
    ProgressBar1.Position := AWorkCount ;
    Label1.Caption := IntToStr(AWorkCount) + 'Bytes of :' + ProgressBar1.Max ;
  end;
end;
 
procedure TForm1.IdHTTP1WorkEnd(Sender: TObject; AWorkMode: TWorkMode);
begin
  if AWorkMode = wmRead then
    Label1.Caption := 'Completed';
end;
 
to download,
 
var
  F: TFileStream;
begin
  F := TFileStream.Create('download.zip', fmCreate);
  try
    IdHTTP1.Get('http://somesite.com/downloads/download.zip', F);
  finally
    F.Free;
  end;
end;

Open in new window

0
 
LVL 26

Expert Comment

by:EddieShipman
ID: 24320457
Damn John, you beat me to it...
If you are using this for normal web page gets, you aren't going to see much progress as it will flash too fast.
0
 

Author Closing Comment

by:tfield98
ID: 31578764
The code worked perfectly (with an added IntToStr that was needed. Thanks A LOT, John!  (Yes, Eddie, I'm using it to download a large file, so it won't flash. But thanks for the heads up.)
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article explains how to create forms/units independent of other forms/units object names in a delphi project. Have you ever created a form for user input in a Delphi project and then had the need to have that same form in a other Delphi proj…
Introduction Raise your hands if you were as upset with FireMonkey as I was when I discovered that there was no TListview.  I use TListView in almost all of my applications I've written, and I was not going to compromise by resorting to TStringGrid…
NetCrunch network monitor is a highly extensive platform for network monitoring and alert generation. In this video you'll see a live demo of NetCrunch with most notable features explained in a walk-through manner. You'll also get to know the philos…
This is my first video review of Microsoft Bookings, I will be doing a part two with a bit more information, but wanted to get this out to you folks.
Suggested Courses

770 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question