Next beta release of SevenZipSharp,
Added multi-threading support and updated test app to demonstrate it. Modified 7-zip native library path handling (refer to test app code). Modified ArchiveUpdateCallback to show correct progress on FileCompressionStarted event. Fixed missing archive properties bug. Minor changes to improve stability.
To Windows XP SP2 and Vista users:
do not forget to unblock SevenZipDoc.chm if you want to view it (you can do it in the Properties window of this file).