Scott Hanselman

InfoPath 2003 and the use of ProgIds in XML PIs (Processing Instructions)

April 30, 2003 Comment on this post [2] Posted in Web Services | XML
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Office 2003 XML Shell Extension.
I also noticed that Office 2003 must've installed some shell helper for XML files, because when I saved the file to my desktop, the shell peeked inside the XML file and gave me an XML document icon with the Excel icon overlaid across the upper left corner. I wonder why the file opened in my browser on double-click instead of into Excel...[
The .NET Guy]

I noticed this as well. Office seems to achieve this cute bit of functionality by inserting a PI into the XML instance document which the shell extension just scans all .XML files for to determine if the file should be opened with a specific Office application. The PI looks like this:
     <?mso-application progid="InfoPath.Document"?>
Drew's Blog]

Isn't it interesting that ProgIds continue to be used like this, as a component identifier?  Is the use of a ProgId kosher in a .NET world?

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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May 03, 2003 3:12
Who says InfoPath was even written in .NET?

May 03, 2003 4:13
True, I didn't mean to imply it WAS in fact written in .NET...actually, I'm sure it wasn't, at least the UI part.

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Disclaimer: The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.