XView was developed by Sun Microsystems and is derived from Sun's proprietary programming toolkit, SunView. It is an easy-to-use object-oriented toolkit that provides an OPEN LOOK user interface for X applications.For XView Version 3, the major additions XView Version 3.2 includes minor bug fixes with no significant new functionality.The XView Reference Manual has been expanded from the Attribute Summary of the previous edition of the XView Programming Manual and is now published as a companion volume. The XView toolkit provides extensive attribute-value pair combinations, convenience routines and object class hierarchies that are too voluminous to memorize without the aid of this comprehensive reference guide. It contains alphabetical listings of XView attributes, functions, and macros, as well as other reference information essential for XView programmers. A must-have companion for the XView Programming Manual .