I don't think you can remove them programatically, you need to remove them in the design environment. You can make each tab invisible programatically though.
The design-time interface for the SSTab is frustrating in the extreme, especially if you want to delete the first of many tabs because the only control you've got over the layout is by altering the TabCount, which means you always lose the right-most ones first. You can't delete the first tab and shift all the child elements back one tab.
I find it's good practice to use a container on each tab and then place the child elements within each container, so that if you need to move things around you only need to move the containers.
- Andy
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If you think nobody cares you're alive, try missing a couple of mortgage payments