Document processing system with a multi-platform application programming interface

  • US 6,546,396 B1
  • Filed: 12/10/1997
  • Issued: 04/08/2003
  • Est. Priority Date: 12/18/1997
  • Status: Expired due to Term
First Claim
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1. A document processing system with a generalized programming interface for application programs, wherein other instances of the generalized programming interface are functionable with application programs of other document processing systems that include document processors having different capabilities and interfaces, comprising:

  • a first document processor having a first set of capabilities that are accessible via a first set of command codes;

    an object interface having properties, methods, and events for the first document processor, and having properties, methods, and events for a second document processor having a second set of capabilities; and

    a track driver coupled to the first document processor and to the object interface, configured and arranged to interface with the first document processor and provide selected ones of the first set of command codes to the first document processor in response to methods initiated via the object interface, and in response to status codes returned from the first document processor, report events to an application program via the object interface.

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