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vrf Automating button clicks in IE via shdocvw.dll

Question asked by VRFuser on Jan 3, 2005
Latest reply on Sep 26, 2011 by changmeikuan

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Comment • 4

Not sure what you are asking. Automate a button? If you are asking for a
VEE or VXE to run when you press a button, I suppose this can be done. If
you are asking that VEE server do something special with VEE, I dunno 'pends
on what ya wanta do.

rufus

-----Original Message-----
From: Joe Flynn [mailto:jflynn@magisnetworks.com]
Sent: Monday, January 03, 2005 6:30 PM
To: VRF
Subject: [vrf] Automating button clicks in IE via shdocvw.dll

Has anyone been able to automate a web page button click with VEE and
shdocvw.dll?
Any help is appreciated.

Best Regards,
Joe Flynn

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VRFuser Jan 2, 2005 11:30 PM

Has anyone been able to automate a web page button click with VEE and
shdocvw.dll?
Any help is appreciated.

Best Regards,
Joe Flynn

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VRFuser Jan 3, 2005 5:36 AM

> Has anyone been able to automate a web page button click with
> VEE and shdocvw.dll?

No, but I do have some other information.

Shdocvw is kind of a compressed version of "shell document view". This dll
is also known as the Web Browser control. It's documentation does say that
it supports "in-place linking" - clicking a link and loading a new document
in the same instance. Examples of this functionality are not immediately
obvious.

Clicking a web page button is usually a pretty simple process, once you know
the target of the button and it's name. It's "target" is usually a handler
that is the target of the form that the button is a component of. IOW, the
button is between <form> tags.

The "action" component of the overall <form> tag is the name of the handler
that is "called" when you click the button. Taking an example (the only one
I know cause it's mine) look at the source of SearchVRF.htm. Towards the top
you see:

<form method="POST" name="Search VRF"
action="http://www.oswegosw.com/SearchVRF.php>

So when you click any button on this form data goes to SearchVRF.php. That's
one half of the problem. Down a little lower you see:

<input type="text" name="st" size="50" id="fp1"></p>

This defines a text box whose name is "st".

Then there's:

<input type="submit" value="Search Messages" name="cmdMessages">

This is the definition of the "Search Messages" button. There are two more
before the </form> tag, ending the form definition.

Input is submitted in name=value pairs that are delimited by an ampersand.
So, to "click" the Search Messages button, all you have to do is navigate to
http://www.oswegosw.com/SearchVRF.php and append a query string that the
form would have generated, like "?st=serial&cmdMessages=1". This searches
for the word "serial" in messages. "?st=serial&cmdAttachments" won't work
the way you think it should simply because the default header type sent with
any request made by typing stuff in the address bar is GET, not POST. You
have to be able to directly send the "POST" header.

On the other hand, you can send the query string "?an=serial" to search for
attachments directly - without clicking any button at all. IOW it all
depends on how the target processor is constructed.

In summary, I'm not sure shdocvw is going to help you click a button but
then again I've never used it in that capacity and I really don't know a
whole lot about it.

OTOH, divining the steps necessary to GET or POST the proper data to any
particular request server is relatively simple (when you get used to reading
HTML) if the page is written with HTML. If the button is generated with
something like java I'm afraid it can be impossible - I've run into that
situation before.

Sending raw headers to a web server is also pretty easy. Here's the VB
snippet that updates my IP with DynDNS:

ElseIf m_bUpdatingDynDns Then
Set b64 = New Base64
sEnc = b64.Encode("shawnfessenden:password")
Set b64 = Nothing
sReq = "GET /nic/update?"
sReq = sReq + "system=dyndns&"
sReq = sReq + "hostname=oswegosw.dnsalias.com&"
sReq = sReq + "myip=" + m_sCurIp + "&"
sReq = sReq + "wildcard=ON&"
sReq = sReq + "HTTP/1.0" + vbCrLf
sReq = sReq + "Host: members.dyndns.org" + vbCrLf
sReq = sReq + "Authorization: Basic " + sEnc + vbCrLf
sReq = sReq + "User-Agent: UpdateDNS/1.0 shawnfess@comcast.net" + vbCrLf +
vbCrLf
Call m_sock.SendData(sReq)
End If

That's all there is to it. m_sock is a simple TCP/IP socket. This sends a
GET header because that's what's required, but it could easily send a POST
header instead.
-SHAWN-

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spinto01 Sep 25, 2011 2:40 AM

I wan't to make a WebBrowser.Document form registration with Vee Pro, do you hace a example or sugestion?

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changmeikuan Sep 26, 2011 3:17 AM

I seldom program using WebBrowser and not very sure what you are looking for. However, there are three examples in VEE example\ActiveXControls folder,

PDFViewer.vee

WebBrowser.vee

WebBrowserTableData.vee

They are mostly using WebBrowser.Nagivate.
Hope this helps.

-mk

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4 Replies

VRFuser Jan 2, 2005 11:30 PM
Mark Correct
Correct Answer
Has anyone been able to automate a web page button click with VEE and
shdocvw.dll?
Any help is appreciated.

Best Regards,
Joe Flynn

---
You are currently subscribed to vrf as: rsb@soco.agilent.com
To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".
To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".
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VRFuser Jan 3, 2005 5:36 AM
Mark Correct
Correct Answer
> Has anyone been able to automate a web page button click with
> VEE and shdocvw.dll?

No, but I do have some other information.

Shdocvw is kind of a compressed version of "shell document view". This dll
is also known as the Web Browser control. It's documentation does say that
it supports "in-place linking" - clicking a link and loading a new document
in the same instance. Examples of this functionality are not immediately
obvious.

Clicking a web page button is usually a pretty simple process, once you know
the target of the button and it's name. It's "target" is usually a handler
that is the target of the form that the button is a component of. IOW, the
button is between <form> tags.

The "action" component of the overall <form> tag is the name of the handler
that is "called" when you click the button. Taking an example (the only one
I know cause it's mine) look at the source of SearchVRF.htm. Towards the top
you see:

<form method="POST" name="Search VRF"
action="http://www.oswegosw.com/SearchVRF.php>

So when you click any button on this form data goes to SearchVRF.php. That's
one half of the problem. Down a little lower you see:

<input type="text" name="st" size="50" id="fp1"></p>

This defines a text box whose name is "st".

Then there's:

<input type="submit" value="Search Messages" name="cmdMessages">

This is the definition of the "Search Messages" button. There are two more
before the </form> tag, ending the form definition.

Input is submitted in name=value pairs that are delimited by an ampersand.
So, to "click" the Search Messages button, all you have to do is navigate to
http://www.oswegosw.com/SearchVRF.php and append a query string that the
form would have generated, like "?st=serial&cmdMessages=1". This searches
for the word "serial" in messages. "?st=serial&cmdAttachments" won't work
the way you think it should simply because the default header type sent with
any request made by typing stuff in the address bar is GET, not POST. You
have to be able to directly send the "POST" header.

On the other hand, you can send the query string "?an=serial" to search for
attachments directly - without clicking any button at all. IOW it all
depends on how the target processor is constructed.

In summary, I'm not sure shdocvw is going to help you click a button but
then again I've never used it in that capacity and I really don't know a
whole lot about it.

OTOH, divining the steps necessary to GET or POST the proper data to any
particular request server is relatively simple (when you get used to reading
HTML) if the page is written with HTML. If the button is generated with
something like java I'm afraid it can be impossible - I've run into that
situation before.

Sending raw headers to a web server is also pretty easy. Here's the VB
snippet that updates my IP with DynDNS:

ElseIf m_bUpdatingDynDns Then
Set b64 = New Base64
sEnc = b64.Encode("shawnfessenden:password")
Set b64 = Nothing
sReq = "GET /nic/update?"
sReq = sReq + "system=dyndns&"
sReq = sReq + "hostname=oswegosw.dnsalias.com&"
sReq = sReq + "myip=" + m_sCurIp + "&"
sReq = sReq + "wildcard=ON&"
sReq = sReq + "HTTP/1.0" + vbCrLf
sReq = sReq + "Host: members.dyndns.org" + vbCrLf
sReq = sReq + "Authorization: Basic " + sEnc + vbCrLf
sReq = sReq + "User-Agent: UpdateDNS/1.0 shawnfess@comcast.net" + vbCrLf +
vbCrLf
Call m_sock.SendData(sReq)
End If

That's all there is to it. m_sock is a simple TCP/IP socket. This sends a
GET header because that's what's required, but it could easily send a POST
header instead.
-SHAWN-

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spinto01 Sep 25, 2011 2:40 AM
Mark Correct
Correct Answer
I wan't to make a WebBrowser.Document form registration with Vee Pro, do you hace a example or sugestion?
Like • Show 0 Likes0
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changmeikuan Sep 26, 2011 3:17 AM
Mark Correct
Correct Answer
I seldom program using WebBrowser and not very sure what you are looking for. However, there are three examples in VEE example\ActiveXControls folder,
They are mostly using WebBrowser.Nagivate.
Hope this helps.

-mk
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vrf Automating button clicks in IE via shdocvw.dll

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