Hi Tina,
Thanks for choosing Syncfusion products.
Yes. It's possible to use the TabControlExt with no content. Your requirements can be achieved by setting the Height, TabStripPlacement, ShowTabListContextMenu, CloseButtonType and VerticalAlignment property for TabControlEXt. The below code snippet will illustrates this.
XAML:
For more reference, please look into the attached sample.
Please let us know if you have any questions.
Regards,
SudhaC.
TabControl Demo_99fa7f03.zip