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Getting focus on an HTML iframe

Posted on 2002-06-17
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1,286 Views
Last Modified: 2007-11-27
I am trying to gain focus of an iframe in a html document.

Using:
public AxSHDocVw.AxWebBrowser axWebBrowser1;

I can get the document fine and can view it in the broswer control or view the HTML in a textbox.

IHTMLDocument2 HTMLDocument =(IHTMLDocument2)WebBrowser1.Document;

However, I am trying to get focus on the data in the  HTML iframe and put the text in that iframe into a string.

Everything works but i cant get anything from the iframe. I seem to only get the text from the main html document.

Any help is appreciated.

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Question by:aksteve
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LVL 22

Expert Comment

by:CJ_S
ID: 7084156
The syntax would be:

WebBrowser.document.iframename.document.formname.fieldname.value
or
WebBrowser.document.iframename.document.formname.fieldname.focus()

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Author Comment

by:aksteve
ID: 7084587
The iframe has no name="value"

It is just:


<iframe frameborder='0' width='300' height='150' scrolling='No' src='http://iframehere.com'></iframe>
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Expert Comment

by:CJ_S
ID: 7085811
You can set it's id can't you?

ANyway, you can also use the frames collection and the index.

WebBrowser.document.frames[0].document.formname.fieldname.focus()

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LVL 5

Author Comment

by:aksteve
ID: 7086547
No, i can't set its ID actually.. If I could i definately would..

Basically i am trying to access to text inside a iframe that has no id.. I am not sure if this can be done with DOM or what.. I have yet to figure it out..

Exactly the reason i offer 200 points for this :)
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Expert Comment

by:CJ_S
ID: 7086655
Try the above. Instead of an id you use it's index.
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Author Comment

by:aksteve
ID: 7086809
I think i tried it the way you suggested(and a few other ways) and got errors each time.

Error I got was:
Cannot apply indexing with [] to an expression of type 'mshtml.FramesCollection'

What i used was:

IHTMLDocument2 HTMLDocument = (IHTMLDocument2) axWebBrowser1.Document;
HTMLDocument.frames[0].document.focus();
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LVL 22

Expert Comment

by:CJ_S
ID: 7090904
You need to cast the collection first, just like you've done for the document.

object iIndex = 0;
mshtml.IHTMLWindow2 x = (mshtml.IHTMLWindow2) HTMLDocument.frames.item(ref iIndex);

(just checked). Now you can access the document of that innerframe again the same way as you've done for the first HTMLDocument.

Regards,
CJ
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Author Comment

by:aksteve
ID: 7093104
I emailed a piece to you. Although this answer is 90% correct and i will creit you the 200 points.

I will give ya some bonus points if you can get it 100%
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Expert Comment

by:CJ_S
ID: 7093108
Will check later tonight. Seen the email, had no time yet :-/
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Accepted Solution

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CJ_S earned 400 total points
ID: 7093392
Was kinda easy. Same code, just one enhancement. This is the code I used to test.

               mshtml.IHTMLDocument2 doc = (mshtml.IHTMLDocument2) axWebBrowser1.Document;
               object iIndex = 0;
               mshtml.IHTMLWindow2 x = (mshtml.IHTMLWindow2) doc.frames.item(ref iIndex);
               doc = (mshtml.IHTMLDocument2) x.document;
               MessageBox.Show(doc.body.innerText);

CJ
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LVL 5

Author Comment

by:aksteve
ID: 7093533
Hmm seems to work at the 1st url i gave you but it still doesnt at the 2nd url i sent you..
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Expert Comment

by:CJ_S
ID: 7093614
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Author Comment

by:aksteve
ID: 7093629
There is text hehe.. Click on the iframe and use view source..

Actually if i can just get the source of it that would be fine also.. i cant seem to get anything from the 2nd url
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LVL 5

Author Comment

by:aksteve
ID: 7093752
Well you got it and i thank you a bunch!!

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Expert Comment

by:CJ_S
ID: 7093763
But did you get it to work?

CJ
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Author Comment

by:aksteve
ID: 7093780
Sure did :0
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Expert Comment

by:DarrenSchwarz
ID: 14717583
For all you Emulators out there let me introduce myself Darren Schwarz...I have been doing extensive work re: webbrowser/application interface emulation and I know that the first time I came across "ntlm" authentication I thought my world had caved in on me...however after a few sleepless nights and some old school true programming I discovered the wonders of windows hooks...so...just thought I would put my hand up with humility  and say if I can help anyone with Win or Web emulation I would be glad to share the knowledge and hoipefully gain some too... thats it for now ..bye :)
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