Simply sample of Func<T>

If you find hard to digest Func<T, TResult> Delegate then you can just run this sample perhaps.


Just look at the in and out parameter there, the out is the result return.


public delegate TResult Func<in T, out TResult>(

         T arg



The complete sample is as below.


using System;


delegate string ConvertMethod(string inString);


public class DelegateExample


  public static void Main()


    // Instantiate delegate to reference UppercaseString method

    ConvertMethod convertMeth = UppercaseString;

    string name = “Dakota”;

    // Use delegate instance to call UppercaseString method




  privatestaticstring UppercaseString(string inputString)


    return inputString.ToUpper();




Download the complete code from The sample file name is ConAppFuncT.rar. My MSN ID is

About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress ( till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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