For the Q1 official release we made some changes in RadTabControl:
In versions prior to
The TabControl supports orientation and we apply a transformation to one of its template parts. Quite possibly we override your transformation in code.
If you apply the transformation on a wrapper element (or anywhere else actually), it should work.
2. The TabItem has four templates - Top / Left / Right / Bottom - one for each position of the TabStripPlacement of the TabControl.
When you create a custom template, it should be assigned to the orientation-specific template or it may get overriden.
In versions after Q1 2010:
3. All transformations to elements in the control template are applied with triggers and just one template is used (the control.Template). The new template will be easier to edit.
Please find attached a sample image that demonstrates the rotation of the tab depending on the current TabStripPlacement.
In your case I suppose that you want to place the tab in the bottom left corner then you have to use:
<telerikNav:RadTabControl TabOrientation="Vertical" Height="200" TabStripPlacement="Left">
If you want to place the tab in the upper left corner then you have to use :
<telerikNav:RadTabControl TabOrientation="Vertical" Height="200" TabStripPlacement="Left" Align="Right">
I hope that this will help you.
Please let us know if you have any other questions or need some more help.
the Telerik team
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