Method and apparatus for controlling a display of a data processing system. According to one embodiment of the invention, a method of controlling a display of a data processing system includes: displaying a first list as a scrollable view of items in a first mode; receiving an input to switch from the first mode to a second mode; and displaying, in the second mode, a representation of a command which when activated causes a display of a second list of the items. The first list is displayed within a window and the representation is displayed within the window. According to another embodiment of the invention, a method of controlling a display of a data processing system includes: displaying, in a first mode, a slider control having a slider which can be positioned in one of a plurality of positions to select a corresponding one of a plurality of parameters; receiving an input to switch from the first mode to a second mode; and displaying, in the second mode, a representation of a command which when activated causes a display of a list of items corresponding to at least a subset of the plurality of parameters.