Object-oriented view-system for displaying information in a windowing environment
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United States of America Patent
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Nov 7, 1995
Grant Date -
N/A
app pub date -
Dec 30, 1993
filing date -
Dec 30, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A view system is disclosed which provides support polymorphic initialization and finalization of objects. This mechanism is used by the view system to support virtual method invocation at construction/destruction time for objects that require the needed behavior. The C++ language does not support the invocation of virtual methods from within the constructor/destructor of a given object. The view system provides a mechanism whereby an initialization method is invoked after the object construction is completed, but before any methods are invoked on the constructed object. A similar mechanism is used to invoke a virtual finalization method before the object destruction is started. This mechanism is not view system-specific, but is provided and used by the view system to support such behavior.
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Cited Art Landscape
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