To enable settings the Dock must to be relaunched from Cocktail.
Enable transparent icons for hidden applications:
When enabled a hidden application's Dock icon will become transparent. This setting provides a visual presentation of a applications state.
Enable Single Application mode:
Enabling Single Application mode causes all of the other applications that are running, to hide from the screen when you click the Dock icon of the application you want to isolate.
Disable Dock icon bouncing for alerts:
When enabled applications will no longer bounce to notify of an event going on in that application.
Disable animation when hiding or showing Dock:
Removes the animation for auto-hide and auto-show of Dock.
Lock Dock content:
When enabled you can not add, remove or re-order the Dock.
Lock icon size:
When enabled you can not resize icons in the Dock.
Enable mouse over on stacks:
When enabled a mouse over effect will appear when hovering over a stack.
Hide the Dock:
When enabled the Dock will be hidden.
Scroll while hovering over an icon to reveal app windows:
While hovering over an app icon in the Dock, use the scroll wheel on the mouse, or use the scroll gesture on the trackpad to reveal all the windows in the app. When enabled, this setting will also let you use the same method to activate any stack in the Dock.
Auto-show delay:
Set the time it takes to show the Dock when Dock hiding is enabled and a cursor is hovered near the Dock location. This setting doesn’t change the animation speed of the Dock sliding in and out itself. You will need to restart the computer in order for changes to take effect.
Add spacer to the Dock:
This adds an empty item to the Dock.