using

using   Dan using

The using keyword has two major uses: The using statement defines a scope at the end of which an object is disposed:

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บูโพรเฟซิน using is applied to objects that implement IDisposable It ensures that, when leaving the using block (whether normally, or via an exception, Using the this Keyword Within an instance method or a constructor, this is a reference to the current object — the object whose method or constructor is being