out ref

Ref and out Today, my younger brother asked me about the difference between ref and out.In C #, ref and out are two special keywords. You can use them to pass parameters according to references.In general, we usually pass the value to the method.

I had this problem when I was learning C #, but I didn't dig into it. Last night, when I thought about this problem, I tried to knock the code, and the result from the running, the more you see the more chaotic. On the basis of the review of some

Http://www.cnblogs.com/davyli/archive/2008/11/01/1324352.html   It may be that when the relationship between value type and reference type in. Net encounters passing parameters to the function, the concept of passing by value and reference will

Both ref and out are keywords in C #, and the functionality is similar to specifying that a parameter is passed by reference.For compiled programs, there is no difference between them, that is, they only have syntax differences.To sum up, they have

Parameter array Params:C # Allow you to specify one (only one) specific parameter for a function. This parameter must be the last parameter in the function definition. It is called a parameter. Array. A parameter array can call a function with an

C # basics: differences between ref and out The difference between ref and out is that in C #, you can pass parameters either by value or by reference. You can pass a parameter through reference to allow function members to change the parameter

In the study of C #, there are always some language commands such as the use of similar but not the same, today's discussion is Out and ref in C #The difference between the first discussion is the respective usage, and below I will summarize the

ref (C # Reference) Visual Studio 2015Other versions The REF keyword causes the parameter to be passed by reference, not by value. The effect passed by reference is that any changes to the parameters in the called method are reflected in the

First: Both are passed by address and will change the value of the original parameter after use.Second: Ref can pass the value of the parameter into the function, but out is to empty the parameters, that is, you can not pass a value from out into

[C #] Analysis of ref and out parameters, The parameter passed by reference is a major feature of C # compared with many other languages. It is not easy to understand this concept in depth, then, the value type and reference type will become even