How to implement a property in an interface

c# .net
peter picture peter · Oct 20, 2009 · Viewed 180.2k times · Source

I have interface IResourcePolicy containing the property Version. I have to implement this property which contain value, the code written in other pages:

IResourcePolicy irp(instantiated interface)
irp.WrmVersion = "10.4";

How can I implement property version?

public interface IResourcePolicy
{
   string Version
      {
          get;
          set;
      }
}

Answer

Stefan Steinegger picture Stefan Steinegger · Oct 20, 2009

In the interface, you specify the property:

public interface IResourcePolicy
{
   string Version { get; set; }
}

In the implementing class, you need to implement it:

public class ResourcePolicy : IResourcePolicy
{
   public string Version { get; set; }
}

This looks similar, but it is something completely different. In the interface, there is no code. You just specify that there is a property with a getter and a setter, whatever they will do.

In the class, you actually implement them. The shortest way to do this is using this { get; set; } syntax. The compiler will create a field and generate the getter and setter implementation for it.

Related questions

How to make an HTTP POST web request

Canonical How can I make an HTTP request and send some data using the POST method? I can do a GET request, but I have no idea of how to make a POST request.

Read More
How can I convert String to Int?

I have a TextBoxD1.Text and I want to convert it to an int to store it in a database. How can I do this?

Read More
What is a NullReferenceException, and how do I fix it?

I have some code and when it executes, it throws a NullReferenceException, saying: Object reference not set to an instance of an object. What does this mean, and what can I do to fix this error?

Read More