Telerik UI for WinForms

You can present the content of your dock instance in a right-to-left direction by setting the RightToLeft property to Yes:

[C#] Copy imageCopy
radDock1.RightToLeft = System.Windows.Forms.RightToLeft.Yes;
[VB.NET] Copy imageCopy
Me.radDock1.RightToLeft = System.Windows.Forms.RightToLeft.Yes
dock-localization-rtl 001