Microsoft Technology Licensing, LLC

Steven T Antoch

Keith S Hamilton

Ramesh Rajagopal

Michael Kazuo Ishimitsu

Scott Morgan LeGendre

George Mathew

Niall L McDonnell

Jack Greenfield

Joao Pedro Silva

Jonathan R Grayum

A system and method facilitating diagramming is provided. The diagram system includes a diagram that stores shape element(s) and an application program interface (API) that includes a control that facilitates access to the diagram. The control maintains state information associated with the diagram. For example, application(s) can employ the API to access and/or modify the diagram. The system employs a rich framework to support both document and diagram state. Because the same framework is used to manipulate the state in a consistent way, it becomes much easier to keep the diagram synchronized with the underlying data than with conventional system(s).

API for building semantically rich diagramming tools

A data structure and method for defining and manipulating object model attributes within a meta-model is provided. The data structure may include a model element class which functions as a base class for storage of attribute values. A model element field handler object provides accessing and setting of the attribute values stored in the model element class.

Mechanism for efficiently implementing object model attributes

The performing of actions on an object graph that contains multiple objects. The objects are categorized into partitions. Taking into account the partitions, a particular non-final action performed on the object graph may be undone without necessarily first undoing all of the one or more subsequent actions. Instead, if the subsequent actions involved objects of different partitions than the objects that were affected by the particular action desired to be undone, the particular action may be undone without undoing the subsequent actions.

Partition-based undo of partitioned object graph

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North Bend, WA, United States of America

Steven T Antoch