Associating a physical driver object with its logical contents
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United States of America Patent
Stats
-
Mar 9, 1999
Grant Date -
N/A
app pub date -
May 7, 1996
filing date -
May 7, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Association of a physical driver object with its logical contents in a logical driver object by identifying the logical driver object and using a non-operating system component to cause recreation of the physical driver object. A handle and a memory address of a logical driver object are obtained and the handle is locked to prevent its movement in memory. A clone of the logical driver object is created, whereupon the contents of the logical driver object and the contents of the clone are swapped. The clone is then deleted. Subsequent reselection of the logical driver object into a device context results in an observable recreation of a corresponding physical driver object.
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