They are using MS Office automation to open up the MS word spell checker from the server.
Two huge problems exist for using Office Automation using the web:
1) It does not scale. Office was ment to open and used by one person and one person only. Hwn you run Office in Automation mode, the server will crank up to 100% really quickly. to run the subprograms within office.
You thought your demo was slow. Now imagine 50 people hitting the server at the same time. This will bring the system to a crawl. Add to the fact that the second user using the spell check could crash your system by opening a second instance of spell checker within a critical process and that begins to spell unrealiablity.
2) It creates huge secruity holes. To make automation work, one must assign the Interactive user within the DCOM setting with additional rights and prvledges. With one bad word macro this could really crash your server.
3) One needs to open a word document. If you have an earlier version of word than then the document posted, this too could crash the system since MS changes their feature set ever so often.
Does this sound scarry. Loom what Microsoft says on the subject (from Samuel Neff's research)
"Microsoft does not currently recommend, and does not support, Automation of
Microsoft Office applications from any unattended, non-interactive client
application or component (including ASP, DCOM, and NT Services), because
Office may exhibit unstable behavior and/or deadlock when run in this
environment."
http://support.microsoft.com/default.aspx?scid=kb;EN-US;257757
Jeremy
>Hi Sam,
>
>I was looking into this product.
>
>What they showed me was a ASP page that had a few textareas and a small button
>for spell checking next to it. When you clicked on the spell checking button,
>it opened up MS Word Spell checker, but I also noticed that it open MS Word on
>my PC also. The page was a little slow, but when I mentioned the 3rd part
>tools, they all said but the Microsoft Word SpellChecker is free with Word and
>everyone here (intranet) has Word so why should we spend more money. I tried
>to look at their source, but I was unable to as they open all the windows in
>modeless style and I was unable to right click or anything to view the source.
>
>I will try again to speak to them about the 3rd party tools.
>
>Thanks
>Mario
>
>-----Original Message-----
>From: Samuel R. Neff [mailto:[EMAIL PROTECTED]
>Sent: Tuesday, November 25, 2003 9:41 PM
>To: CF-Talk
>Subject: RE: How to call MS word spell checker
>
>
>We really like this spell checker.. very easy to integrate and has Word like
>interface..
>
>http://www.cfdev.com/spellcheck/ <http://www.cfdev.com/spellcheck/>
>
>Not exactly what you're asking for, but in my opinion a better solution
>since it's cross browser and doesn't require IE or Office on client end.
>
>HTH,
>
>Sam
>
>-----------------------------------------------
>Blog: http://www.rewindlife.com <http://www.rewindlife.com>
>Charts: http://www.blinex.com/products/charting
><http://www.blinex.com/products/charting>
>-----------------------------------------------
>
>> -----Original Message-----
>> From: Ciliotta, Mario [mailto:[EMAIL PROTECTED]
>> Sent: Tuesday, November 25, 2003 9:32 PM
>> To: CF-Talk
>> Subject: How to call MS word spell checker
>>
>>
>>
>> Hi,
>>
>>
>> I was wondering if anyone on this list might know who to call
>> the MS word Spell check from with an HTML page. I have
>> textbox that the users what a spell check to run on and they
>> showed me a site done is ASP that call MS word spell checker.
>> I have tried to search the web to look for an example or at
>> least the VBscript to do it - but no luck.
>>
>> Has anyone done this before or knows of sites with infor about it.
>>
>>
>> Thanks
>> Mario
>>
>>
>
> _____
>
>
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