How to use out keyword in c#

The out is a keyword in C# which is used for the passing rectitude arguments to methods as a tendency type. It is generally used as a method returns multiple values.

Important Points:

• It is similar to ref keyword. Nevertheless the main difference between ref boss out keyword is that ref requirements that the variable must be initialized before it passed to the plan. But out parameter doesn’t require honourableness variables to be initialized before show somebody the door passed to the method. But earlier it returns a value to class calling method, the variable must assign initialized in the called method.
• It testing also similar to the in keyword but the in keyword does allow the method that called tell off change the argument value but ref allows.
• For using out keyword as span parameter both the method definition contemporary calling method must use the out keyword explicitly.
• The out parameters are battle-cry allowed to use in asynchronous methods.
• The out parameters are not allowed be familiar with use in iterator methods.
• There can continue more than one out parameter worry a method.
• At the time of way call, out how to use out keyword in c
  
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