http://msmvps.com/blogs/kevinmcneish/archive/2008/03/25/how-to-select-a-different-wpf-tabitem-in-visual-studio-2008.aspxSadly, Microsoft did not provide a TabControl designer for Visual Studio 2008. If you want to edit a TabItem, you can get around this limitation and select a TabItem other than the default by temporarily changing the TabControl's <<b>>SelectedIndex<<enCommunityServer 2008.5 SP2 (Build: 40407.4157)