using vs try-finally

Pill Category

Language (C#)

Description

Manually call Dispose

If an object implements the IDiposable interface, it is, usually, a good practice to manually call its Dispose method as soon as the application does not need that object anymore. There are two main ways to do this:

• explicitly - Actually call the Dispose method. Most suggested in a try-finally block.
• implicitly - Use a using block or a using declaration.

Question

• Is there a functional difference between the using block, the using declaration and a try-finally block?

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