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Overview and Extended Example
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action algorithm allow the designer Apple Macintosh application procedure application program appropriate asks the designer attributes black rectangle called Chapter checks color command conditional copy created data constraints defined Delete depend direct manipulation interfaces discussed in section displayed Drawing Function drawing order easier editing end user Example-Based Programming explicitly Figure graphical constraints graphical objects grey rectangle handle icon implemented inferencing input devices interaction techniques Interlisp Interlisp-D iteration linear interpolation loop mechanism menu modified mouse button mouse interactions move NIL NIL non-programmers offset operation parameter or active Peridot asks Peridot infers Peridot supports picture pointing device position problem Programming by Example programming language Programming systems rapid prototyping refer relationships rules scroll bar semantic feedback SETActive simulated mouse slider specify string string Figure textual tion toggle UIMS UIMSs updated user interface designer Visual Programming white rectangle width window