I hope you weren’t using those undocumented critical section fields

Raymond Chen July 1, 2005 Jul 1, 2005 07/1/05

I hope you weren't using those undocumented critical section fields, because in Windows Server 2003 Service Pack 1, they've changed. Mike Dodd tells an interesting story of a vendor who used reserved fields and then complained when the system started using them...

What’s the difference between My Documents and Application Data?

Raymond Chen July 1, 2005 Jul 1, 2005 07/1/05

The most important difference between My Documents and Application Data is that My Documents is where users store their files, whereas Application Data is where programs store their files. In other words, if you put something in CSIDL_MYDOCUMENTS (My Documents), you should expect the user to be renaming it, moving it, deleting it, emailing ...