http://blogs.msdn.com/benkaras/archive/2006/11/21/writing-properties-9-summary.aspxCoding to the Windows SDK Reading properties #7 - Summary Writing properties #1 - Simple beginnings Writing properties #2 - Filetype support? Writing properties #3 - Which properties are writable? Writing properties #4 - Which properties are writable?enCommunityServer 2.1 SP1 (Build: 61025.2)