In ArcMap, in the 'Editing Options' dialog under 'Versioning' tab, how to uncheck the 'Edit a version of the database....' checkbox and 'Automatically save changes....' Checkbox by using ArcObjects vb.net.
Not an ArcObjects expert, however a quick search shows below links:
See,s to be old 9.3. links, so not sure how much helpful they are. Still worth a look.