[AccessD] Back to Web Browser ActiveX

jwcolby jwcolby at colbyconsulting.com
Mon Feb 20 22:53:36 CST 2012


Yea, I was trying to do it in Access.  Uggg.

John W. Colby
Colby Consulting

Reality is what refuses to go away
when you do not believe in it

On 2/20/2012 6:16 PM, Salakhetdinov Shamil wrote:
> Hi John and Tony --
>
>> I have not tried automating it for Web browsing, that is probably a whole
>> new can of beans full of complexities.
> Yes, it's not trivial but you can get a stable MS Web Browser control automation solution by using C# (or VB.NET), and properly written apps will run for days/many hours till they will have to be restarted because MS Web Browser control is known to be a source of memory leakage...
>
>>   I spent hours trying to
>> automate it.  In the end I failed
> It requires days/a couple of weeks to get accustomed with its automation -  then it becomes "your friend" ready to fulfill promptly most of your commands/tasks...
>
> The main trick is to find a way of controlling Web Browser control from a worker thread, and it's known that Web Browser control is running in the main WinForm thread. When that task of controlling Web Browser control from a worker thread solved then you can have many web browser controls instances on one WinForm (e.g. on different TabControl tabs) all running smoothly in not blocking UI mode...
>
> Thank you.
>
> -- Shamil
>
> 20 февраля 2012, 21:32 от "Tony Septav"<TSeptav at uniserve.com>:
>> Hey John
>> The only thing I use the Web Browser ActiveX for, is to quickly view the
>> PDFs stored in my folders on the drives I have my machine.
>> Simply Put
>> A form, the control and a list box (lots of other stuff but..).
>> The user scrolls through the list and the PDF file very quickly displays in
>> the control box with the Adobe options available.
>>
>> I have not tried automating it for Web browsing, that is probably a whole
>> new can of beans full of complexities.
>>
>> Tony Septav
>> Nanaimo, BC
>> Canada
>>
>> -----Original Message-----
>> From: accessd-bounces at databaseadvisors.com
>> [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of jwcolby
>> Sent: Monday, February 20, 2012 9:16 AM
>> To: Access Developers discussion and problem solving
>> Subject: Re: [AccessD] Back to Web Browser ActiveX
>>
>> I have used the web browser activeX just recently.  I spent hours trying to
>> automate it.  In the end I failed, I just use it as a control on a form.
>> Sigh.  It works but...
>>
>> John W. Colby
>> Colby Consulting
>>
>> Reality is what refuses to go away
>> when you do not believe in it
>>
>> On 2/20/2012 9:28 AM, Tony Septav wrote:
>>> Hey All
>>> If there is anyone wanting to allow their client to view PDF files in
>>> a form in an application I highly recommend using the Web Browser ActiveX
>> control.
>>> So far I haven't run into any problems (not saying there aren't any,
>>> but....).
>>>
>>> Also as an aside I was trying to find a way to allow the client to
>>> convert a file to a PDF if they didn't own a full blown copy of Adobe.
>>> One of those problems, if not, how to solve it. I found LeadTools
>>> EPrint $99 (actual I had purchased one of the first versions of the
>>> program years ago, and forgot about it, ahhh old age). It installs on
>>> the user;'s machine as a printer driver (it converts almost anything
>>> you can print to a PDF). The thing that I really like is they have an
>> option that let's you annotate a PDF file.
>>>
>>> Tony Septav
>>> Nanaimo, BC
>>> Canada
>>
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>



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