R2 2018 Release is here – now with modern UI for chatbots and more! See what’s new!
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SASS Themes

    LESS Themes

      SASS Theme Builder

      Create new or customize SASS themes
      Launch Theme Builder

      Splitter / Keyboard navigation

      Inner splitter / left pane

      Resizable and collapsible.

      Inner splitter / center pane

      Resizable only.

      Inner splitter / right pane

      Resizable and collapsible.

      Outer splitter / bottom pane

      Non-resizable and non-collapsible.

      Keyboard Legend

      • Alt + w focuses first splitbar
      • left arrow moves focused splitbar to the left (if horizontal splitter)
      • right arrow moves focused splitbar to the right (if horizontal splitter)
      • up arrow moves focused splitbar up (if vertical splitter)
      • down arrow moves focused splitbar down (if vertical splitter)


      • ctrl left arrow collapses the left pane or expands the right one
      • ctrl right arrow collapses the right pane or expands the left one
      • ctrl down arrow collapses the upper pane or expands the lower one
      • ctrl up arrow collapses the lower pane or expands the upper one


      • enter accepts current position of the splitbar
      • esc returns splitbar to its initial position

      ASP.NET Core source

      Also available for:

      • keyboard_navigation.cshtml
      • Keyboard_NavigationController.cs

      Support & learning resources

      Splitter for other technologies