A type parameter can be used as a constraint : Generic Constraint « Generics « C# / C Sharp

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C# / C Sharp » Generics » Generic Constraint Screenshots  A type parameter can be used as a constraint     using System;     using System.Collections;     public class Test{         public static void Main(){            X<Y, Z> obj=new X<Y, Z>();         }     }     public class Z {         public void MethodA() {             Console.WriteLine("Y::MethodA");         }     }     public class Y: Z {     }     public class X<T1, T2> where T1:T2 {         public void MethodB(T1 arg) {         }     }                     Related examples in the same category 1. There are five types of constraints: 2. Combination of Overriding Generic Methods 3. A base class constraint 4. Use an interface constraint 5. A new() constructor constraint 6. Reference Type Constraint: A reference type constraint restricts a type parameter to a reference type. 7. Demonstrate a reference constraint 8. Demonstrate a value type constraint 9. Reference Type Constraint 10. Default Constructor Constraint 11. Derivation Constraint 12. constructor constraint