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