Collapse Backward Button
Collapse Backward Button is displayed within the separator and is used to collapse a pane backward (from right to left or from bottom to top).
The table below lists the main members which affect the element’s appearance and functionality:
Note
If you specify the visibility of a particular pane’s buttons, note that a collapse forward button is located in the separator displayed before the pane (to the left or top), the collapse backward button is located in the separator displayed after the pane (to the right or bottom).
If you customize the image or style settings of a particular pane’s buttons, note that the settings are applied to the buttons located in the separator displayed before the pane (to the left or top).
Right to Left Support
If the right-to-left feature is enabled for the control, the horizontal pane direction is changed to right-to-left.