Ok, I'll look into the i/o via JavaScript functions.
That immediately leads to the question of how to obtain a list of
available functions and their parameters/formats, etc.
VB - WebBrowser - Page elements - JS functions - Jmol commands ?
I'm a bit fuzzy on the line of events (and exact formats for the
functions), since I currently use the first and last (VB and the
explicit commands).
** *
Also, what is wrong with using the Page elements (now that I can
communicate with them) ?For example, could you simply set up some OUTPUT
elements to provide state info or the answer to various queries (or the
last question) ?
I see that the tagName may be a group of elements (such as INPUT) rather
than a unique name.
So the ID or index is needed to refer to a unique element.
For example I can send a Jmol command via elements 11 (the text) 12 (the
button to click), but there is no guarantee that 11 and 12 are stable
indices for future versions.Then it would help provide an ID for the
button (12).
Michael
On 24/03/2011 06:57, Robert Hanson wrote:
Ah, interesting. What you really need to do is explore whether you can
use JavaScript functions on that page and call them from Visual Basic.
Here's a link to a possibility:
http://groups.google.com/group/microsoft.public.vb.general.discussion/browse_thread/thread/7c81a612b9fd026e
Looks like:
WebBrowser1.Document.parentWindow.execScript "jmolScript(xxxxx)",
"JScript"
Or, possibly, to return a value:
x = WebBrowser1.Document.parentWindow.execScript
"jmolEvaluate(xxxxx)", "JScript"
Does that work?
On Wed, Mar 23, 2011 at 9:23 AM, Michael Marden
<[email protected] <mailto:[email protected]>> wrote:
WebBrowser1.Document.All(i).tagNAme
WebBrowser1.Document.All(i).ID
WebBrowser1.Document.All(i).Value
This is standard MSIE notation, with capitalization.
This seems to give unique values, although many elements have no ID.
For my set up in VB6, I see
_index tagNameid_
0HTML
1 HEAD
2 TITLE
3 SCRIPT jmolcmd
4 SCRIPT
5 SCRIPT
6 BODY
7 SCRIPT
8 OBJECT jmolApplet0
9 BR
10 SPAN span_jmolCmd0
11 INPUT jmolCmd0
12 INPUT
13 BR
14 INPUT msg
15(error)
These are just the elements of your page. These days, we use the ID
field for addressing specific elements. the NAME field is also useful
in that it groups radio buttons. (Can't think of anything else it is
useful for.)
So, for example, I can send commands with:
WebBrowser1.Document.All(11).Value = "select9 ; wireframe 80 ;
color yellow ; spacefill 300"
WebBrowser1.Document.All(12).Click
Certainly that is one way to do it. Still a hack, though.
This seems good so far, but there are some obvious questions.
1)Are the names and numbers (index) subject to change in future
versions of Jmol ?
These names and numbers are just based on that particular web page you
have loaded. You get to decide what you have there.
2)Is this the best way to go ?
I think so.
3)What name or index are to be used to obtain state information?
For turning the spin on and off, it would help to know its current
state.
Yes, hmm. I think you will have to have a JavaScript function on the
page that runs jmolEvaluate and then returns a value to VB
In conclusion, these first results are encouraging, but it was
done somewhat blindly.
To be continued.
Michael Marden
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