Giving resources backbeginner
A file handle or socket you opened is yours to release — the Dispose pattern is how a caller gets to say "I am finished with this" instead of waiting for a collection that may never come.
A file handle held for the life of the process. Implement the pattern properly.
IDisposable implemented with the full pattern, idempotent, suppressing finalisation.
Published in full, before you start — every point is one of these and there is nothing else.
A file handle or socket you opened is yours to release — the Dispose pattern is how a caller gets to say "I am finished with this" instead of waiting for a collection that may never come.