Thursday, April 4, 2013

Creating Extension Method for Enumerated Type

In C#, you can extend the functionality of  Enumerated type by  using extension method same as for other types. Here , I will show you a simple example of creating extension method for Enumerated  type.

In my previous posts, I explained Check Internet Connection using C#, SQL Server Database BackUp using C#, Partial Methods, Contextual Keyword, C# Static Methods and some other articles related to C#, ASP.Net and SQL Server .

Below, I have created an extension method for DayofWeek enumarated type.

/// <summary>
/// Creating Extension Method for Enumarated Type
/// </summary>
/// <param name="day"></param>
/// <returns></returns>
public static string ToDoAlret(this DayOfWeek day)
{
   string strAlert = string.Empty;
   switch (day)
   {
     case DayOfWeek.Sunday:
        strAlert = "Cricket";
        break;
     case DayOfWeek.Monday:
         strAlert = "Reading";
         break;
     case DayOfWeek.Tuesday:
         strAlert = "Meeting";
         break;
     case DayOfWeek.Wednesday:
         strAlert = "Club";
         break;
     case DayOfWeek.Thursday:
         strAlert = "Movie";
         break;
     case DayOfWeek.Friday:
         strAlert = "Clebrating";
         break;
     case DayOfWeek.Saturday:
         strAlert = "Logn Drive";
         break;
    }
    return strAlert;
 }

Now you can call ToDoAlert method on any variable on constant of type DayOfWeek as shown below.

//Calling the ToDoAlert method of type DayOfWeek
DayOfWeek today = DayOfWeek.Saturday;
Console.WriteLine(today.ToDoAlert());
Console.WriteLine("---------------");
Console.WriteLine(DayOfWeek.Sunday.ToDoAlert());
Console.ReadKey();
I hope you enjoyed it. I would like to have any feedback from you. Your valuable feedback, question, or comments about this article are always welcome.

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