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System and methods for building spreadsheet applications

  • US 5,883,623 A
  • Filed: 04/21/1997
  • Issued: 03/16/1999
  • Est. Priority Date: 04/08/1992
  • Status: Expired due to Term
First Claim
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1. In a computer system having a memory and a storage device for storing data in a plurality of cell objects, a method for linking user interface objects to other objects, the method comprising:

  • (a) providing a plurality of user interface objects, each user interface object being associated with at least one event;

    (b) defining for each object in the system a set of properties and a set of link objects, each link object for storing information for characterizing a link between a source object and a destination object, and wherein at least some objects maintain lists of links for determining what objects they are linked to;

    (c) in response to user input, linking an event of a particular user interface object to a particular property of at least one other object through use of a particular link object, wherein said link object stores information characterizing a particular linkage between the objects; and

    (e) upon occurrence of the linked event associated with the particular user interface object, determining all other objects linked to the particular user interface object and triggering an automatic change in value to the property of said at least one other object being linked.

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