I have seen this question posted alot and have never seen a solution posted. This method will create a property item to set on a newly created bitmap. I figured this out quite some time ago and thought I'd share this handy little method. Hope it will help somebody trying to learn how to use property items for storing data with an image.

VB.NET 2003, 2005, 2008

[CODE=vbnet]
'create a new property item for use...