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In Delphi - I need to have a ListBox record the destination URL of the images I click

Posted on 2011-02-19
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Last Modified: 2012-05-11
Thanks for reading

this image depicts the program I need to build:

http://img252.imageshack.us/img252/5069/clickclick.gif

A typical "website photo gallery" will contain thumbnail images which contain an HREF tag which points to the BIGGER version of that picture.

I need to be able to click on this thumbnail image, and have the URL appear in a listbox.

I would like the WebBrowser component to function in no other way. e.g. i don't want it to actually go to the bigger image when I click. I just need the destination URL.

Got any ideas?

Thanks!
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Question by:bobbysdog
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3 Comments
 
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Expert Comment

by:maosalah
ID: 34935629
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LVL 24

Accepted Solution

by:
jimyX earned 2000 total points
ID: 34935630
Having Button, WebBrowser and ListBox on the form add the following code:
The code of the WebBrowser is at "OnBeforeNavigate2" and "OnDocumentComplete":
var  //Global variable
  NavigateCompleted:Boolean=False;

procedure TForm1.Button1Click(Sender: TObject);
begin
  Webbrowser1.Navigate('YourMainURL');
end;

procedure TForm1.WebBrowser1BeforeNavigate2(Sender: TObject;
  const pDisp: IDispatch; var URL, Flags, TargetFrameName, PostData,
  Headers: OleVariant; var Cancel: WordBool);
begin
  if NavigateCompleted then
    begin
      ListBox1.Items.Add(URL);
      Cancel := true;
    end;
end;

procedure TForm1.WebBrowser1DocumentComplete(Sender: TObject;
  const pDisp: IDispatch; var URL: OleVariant);
begin
  NavigateCompleted := true;  // set it to false to be able to navigate other URLs
end;

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Please note: to be able to navigate to other URLs you need to set the variable "NavigateCompleted" to False.
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Author Closing Comment

by:bobbysdog
ID: 34935699
wow thanks this is awesome!!!!!!!!!
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