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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA


Listing 13-41 extracted from chapter Generics


Listing 13-40<     > Listing 13-42


This listing can be compiled with the command line:
csc.exe /target:exe Example_13_41.cs
Errors: 0 Warnings: 0


Example_13_41.cs
using System;
using System.Reflection;
class Program{
   public class Bar{}
   public class Foo : BarIDisposablepublic void Dispose() { } }
   public static void Fct<U, V>()
       where U : BarIDisposablenew()
       where V : struct {
      Console.WriteLine( typeof(U).Name );
      Console.WriteLine( typeof(V).Name );
   }
   static void Main() {
      Type typeProgram = typeof(Program);
      MethodInfo methodGenericOpen = typeProgram.GetMethod("Fct", 
                      BindingFlags.Static | BindingFlags.Public);
      //  Specify parameter types.
      MethodInfo methodGenericClosed = methodGenericOpen.MakeGenericMethod(
             new Type[] { typeof(Foo), typeof(int) } );
      System.Diagnostics.Debug.Assert (
             methodGenericClosed.GetGenericMethodDefinition() == 
             methodGenericOpen );
      methodGenericClosed.Invoke (
             null,  //  It is null because we call a static method.
             new object[0]); // No parameters in.
   }
}	
Copyright Patrick Smacchia 2006 2007