Question

I want to define a global structure in C# and use it in three separate subroutines. I have already created the structure but I don’t know how to make it a global variable so I can use it in multiple sections of my code. Any help is appreciated.

    public struct Simple
    {
        public int Position;
        public bool Exists;
        public double LastValue;
    };


    static void Main(string[] args)
    {
        Simple s;
        s.Position = 1;
        s.Exists = false;
        s.LastValue = 5.5;
    }

So I want to use a Simple structure in two other routines in my code and possible pass it to different form (multiple usage of one variable).

Answer 1

In your case it appears that you have a object as a local variable in your main method that you need to use in another method. The appropriate solution in this context is to add a parameter to that other method. Take a look at this example:

public class MyObject
{
    public int Value;
}

public static void Main(string[] args)
{
    MyObject obj = new MyObject();

    obj.Value = 42;

    PrintObject(obj);

    Console.WriteLine("Press any key to exit...");
    Console.ReadKey(true);
}

public static void PrintObject(MyObject obj)
{
    Console.WriteLine(obj.Value);
}