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Question on using statement

What are the two places of using "using". I know one of them:

Using <namespace>

What's the other place?
3 Solutions
Mike TomlinsonMiddle School Assistant TeacherCommented:
See http://msdn2.microsoft.com/en-us/library/yh598w02.aspx

"Defines a scope, outside of which an object or objects will be disposed."

    using (Font font1 = new Font("Arial", 10.0f))

The "font1" object will be automatically garbage collected when the using block is exited.

Hi chuang4630,

you can use it for aliasing
using cfg = System.Configuration.ConfigurationSettings;

It can be used to to wrap a disposable (implements IDisposable) object in a scope so that the Dispose() method is called automatically when exiting the scope.

a sample of that last use can be seen here source: http://blogs.labtech.epitech.net/blogs/jaylee/archive/2004/08/16/844.aspx

hope this helps a bit
Fahad MukhtarDistinguished EngineerCommented:
The using keyword has two major uses:

It can be use as a *DIRECTIVE*, when it is used to create an alias for a namespace or to import types defined in other namespaces. See:

It can also be used as a *STATEMENT*, when it defines a scope at the end of which an object will be disposed. See:

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