The sliding zone in the left has
ClickToOpen property set to
true, the sliding zone in the right has
ClickToOpen property set to
false (this is by default).
|  | Middle Pane | | |
Source Code & Description
Click to open behavior
You can use the ClickToOpen property of the RadSlidingZone to control whether the panes will expand when the user clicks on the tab or when mouseover a tab.
This property can be set also from the client-side api thorought the "SetClickToOpen" method. For more info see the "Client Side API" example.