如何在C＃中声明一个应该可以被项目中的所有类访问的公共变量？

Question

I have a list as follows in a class:

public string[] Locations = { "home",
                              "office",
                              "vehicle" };

(The actual string/list is hundreds of items long I just shortened it for the sake of this post)

In another class, I am trying to reference it with:

string location = Locations[myRand.Next(Locations.Length)];

Though it does not recognize "locations" as a string.

How do I make it to where all the classes can see it? Also, do they have to be within the same namespace for this to work? Or is there a way to make the list available to ALL namespaces and classes?

Thanks!

Answer 1

By declaring it as public it is already visible to all namespaces. The issue is how to access it. What you want is static :

public class MyClass
{
    public static string[] Locations = { "home",
                          "office",
                          "vehicle" };
}

Then you access it as:

string s = MyClass.Locations[1];

If it's not static, then you need an instance of the class to access it:

MyClass m = new MyClass();
string s = m.Locations[1];

Answer 2

Seems like you want a "utils" function, to be called anywhere. Maybe create a new workspace for "utilities, and declare your function static in a file inside that workspace as Ian said.