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Paradoxal Press

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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 8-13 extracted from chapter Interoperability between .NET and native code/COM/ COM+


Listing 8-12<     > Listing 8-14


This listing can be compiled with the command line:
csc.exe /target:exe Example_8_13.cs
Errors: 0 Warnings: 0


Example_8_13.cs
using System;
using System.Reflection;
class Program {
   static void Main() {
      Type type = Type.GetTypeFromProgID("COMComponent1.CCOMClass");
      // We could also wite:
      // Type type = Type.GetTypeFromCLSID(
      //    new System.Guid("1E3B6413-7E63-42B5-874D-E0A27A42190C"));
      Object obj = Activator.CreateInstance( type );
      Object[] args = new Object[] { 3};
      int retVal = (int) type.InvokeMember(
         "CalcSum",
         BindingFlags.InvokeMethod,
         null,
         obj,
         args);
      Console.WriteLine(retVal);
   }
}	
Copyright Patrick Smacchia 2006 2007