1. A method for executing a predetermined operation on a borderless window displayed on a display device coupled to a data processing system, comprising the steps of: displaying, on said display device, a substantially borderless window having a configuration representing a two-dimensional view of a three-dimensional object, without display of any icon associated with said window; positioning a displayed input device pointer over a predetermined area of said window; activating an input means associated with said input device; and moving said pointer in accordance with one of a plurality of predetermined pointer movements to cause an action to be taken on said window.