c# - What does "o" mean as a variable prefix? -

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in ocn? rule?

using(sqlconnection ocn = new sqlconnection(         "server=(local);database=pubs;user id=testuser1;password=foo1;")) {         ocn.open();         ...     }

i found type of naming in article http://msdn.microsoft.com/en-us/magazine/cc163799.aspx

an entirely obsolete way of saying "cn" *o*bject.


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