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  1. using System;
  2.  
  3. public abstract class BaseClass {
  4.     private string m_Name;
  5.  
  6.     protected BaseClass(string name) {
  7.         m_Name = name;
  8.     }
  9.  
  10.     public void Output()
  11.     {
  12.         Console.WriteLine("The class is: " + this.GetType());
  13.         Console.WriteLine("The name is: " + m_Name);
  14.     }
  15. }
  16.  
  17. public class DerivedA : BaseClass {
  18.     public DerivedA(string name) : base(name) {}
  19. }
  20.  
  21. public class DerivedB : BaseClass {
  22.     public DerivedB(string name) : base(name) {}
  23. }
  24.  
  25. public static class MyStaticClass {
  26.     public static T Create<T>(string name)
  27.         where T : BaseClass
  28.     {
  29.         return (T)Activator.CreateInstance(typeof(T), new[] { name });
  30.     }
  31. }
  32.  
  33. class Test {
  34.     static void Main() {
  35.         var a = MyStaticClass.Create<DerivedA>("derived a");
  36.         var b = MyStaticClass.Create<DerivedB>("derived b");
  37.  
  38.         a.Output();
  39.         b.Output();
  40.     }
  41. }
Success #stdin #stdout 0.03s 33832KB
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Standard input is empty
stdout
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The class is: DerivedA
The name is: derived a
The class is: DerivedB
The name is: derived b
https://ideone.com/coNi2z
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
secret

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