1 public struct MyStruct
 2 {
 3     public string str;
 4     public int number;
 5 }
 6 
 7 class Program
 8 {
 9     static void Main(string[] args)
10     {
11         MyStruct myStruct = new MyStruct();
12         myStruct.str = "Number :";
13         myStruct.number = 100;
14         MyClass mc = new MyClass();
15         mc.output(myStruct);
16         Console.ReadKey();
17     }
18 }
19 
20 class MyClass
21 {
22     public void output(MyStruct ms)
23     {
24         Console.WriteLine(ms.str + ms.number.ToString());
25     }
26 }