2017年3月8日 · User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using?

Not using by means that the technology used is incidental, and the focus is on the approach being shown to be feasible. Without more context it's impossible to say what the intended import of …

2009年11月20日 · Using the using keyword can be useful. Using using helps prevent problems using exceptions. Using using can help you use disposable objects more usefully. Using a …

Updating the using keyword was specifically for templates, and (as was pointed out in the accepted answer) when you are working with non-templates using and typedef are …

The problem with putting using namespace in the header files of your classes is that it forces anyone who wants to use your classes (by including your header files) to also be 'using' (i.e. …

2019年10月29日 · 46 Justin Lessard's answer explains the difference between using and await using, so I'll focus on which one to use. There are two cases: either the two methods Dispose / …

Extremely good point. Of all the advantages using provides, it can't be combined with other predicates: select*from t join t2 using(i) and on 1 wouldnt work.

2010年10月21日 · I had been using cocaine. Meaning, with a reference point in the past, starting a time before then up to the reference point, I was habitually using cocaine up to and including …

2015年7月29日 · From MSDN, using Statement (C# Reference) The using statement ensures that Dispose is called even if an exception occurs while you are calling methods on the object. You …

The intention of "using" is to give developers a guaranteed way to make sure that resources get disposed. From MSDN: A using statement can be exited either when the end of the using …