Fix NRE when adding a TabControl with no tabs to a form. Fixes #298
Fix NRE when adding a TabControl with no tabs to a form. Fixes #298

bbqchickenrobot/Eto-1,l8s/Eto,PowerOfCode/Eto,bbqchickenrobot/Eto-1,l8s/Eto,PowerOfCode/Eto,l8s/Eto,PowerOfCode/Eto,bbqchickenrobot/Eto-1