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What are the uses of using in C#? - Stack Overflow 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?
What is the C# Using block and why should I use it? [duplicate] The using statement is used to work with an object in C# that implements the IDisposable interface The IDisposable interface has one public method called Dispose that is used to dispose of the object
c# - try catch + using, right syntax - Stack Overflow In other word, if you know that the initialization of a variable in using may throw a particular exception, I wrap it with try-catch Similarly, if within using body something may happen, which is not directly related to the variable in using, then I wrap it with another try for that particular exception I rarely use Exception in my catch es
What is the difference between using and await using? And how can I . . . 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 DisposeAsync are complementary, or they are doing something different
What is the logic behind the using keyword in C++? 183 In C++11, the using keyword when used for type alias is identical to typedef 7 1 3 2 A typedef-name can also be introduced by an alias-declaration The identifier following the using keyword becomes a typedef-name and the optional attribute-specifier-seq following the identifier appertains to that typedef-name
What is the difference between typedef and using? 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 mechanically identical, so the choice is totally up to the programmer on the grounds of readability and communication of intent
Whats the problem with using namespace std;? 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 seeing everything in) those other namespaces However, you may feel free to put a using statement in your (private) * cpp files
MySQL JOIN ON vs USING? - Stack Overflow In a MySQL JOIN, what is the difference between ON and USING()? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not
Whats the scope of the using declaration in C++? But if you put the using declaration inside a namespace it's limited to the scope of that namespace, so is generally OK (with the usual caveats on your particular needs and style)
c# - using statement vs try finally - Stack Overflow 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 can achieve the same result by putting the object inside a try block and then calling Dispose in a finally block; in fact, this is how the using statement is translated by the compiler The code example earlier expands to the