I want to make something of a tag cloud for various folders I have, but unfortunately, I can\'t seem to find a way to access the tags of a file in Windows Vista. I tried loo
There are actually 2 different implentations of document properties (source).
The COM implementation embeds them directly in the file itself : this is the approach used for Office documents for example. Tim Golden's code described on this page works well for these.
On NTFS 5 (Win2k or later), you can add Summary info to any file, and it's stored in alternate data streams. I suppose the Windows Search API would work on these, but I have not tested it.