Hi Neil,
Thank you for your interest in Syncfusion Products.
It is possible change the speed of the docking panes that are displayed or auto hidden. The speed of animation can be controlled by AnimationSpeed and AnimationStep properties. Kindly refer to the below online tutorial link that describes this:
http://help.syncfusion.com/ug_72/toolswin/AutoHideAnimationSpeed.htmlPlease let me know if any concerns.
Regards,
Fathima