#800 – A Property in an Interface May Include One or Two Accessors

Defining a property in an interface, you can define one or both of the property’s accessors.

    public interface IDogInfo
    {
        int CollarSize { get; set; }
        string Name { get; }
        string SecretName { set; }
    }

When you implement an interface, if a property in the interface has both accessors, you must implement both accessors, and both must be public (you set an access modifier of public on the entire property).

If a property in the interface includes only one accessor, you must implement that accessor, but you can optionally also implement the other accessor.

    public class Dog : IDogInfo
    {
        public int CollarSize { get; set; }

        // IDogInfo has just get
        public string Name
        {
            get { return "NotImpl"; }
        }

        // IDogInfo has just set, but we add a get
        public string SecretName { protected get; set; }
    }
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About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

One Response to #800 – A Property in an Interface May Include One or Two Accessors

  1. Mourad says:

    Sean, Great post! Many thanks.

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