How to make implementation of an interface produce an auto property instead of NotImplementedException?

How to make implementation of an interface produce an auto property instead of NotImplementedException?

To make implementation of an interface produce an auto property instead of NotImplementedException, you can use the default keyword in C#. The default keyword returns the default value for a given type, which is null for reference types and 0 for numeric value types.

Here's an example of how to use the default keyword to implement an auto property in an interface:

public interface IMyInterface { string MyProperty { get; set; } } public class MyClass : IMyInterface { public string MyProperty { get; set; } = default; }

In this example, we define an interface called IMyInterface with a read-write property called MyProperty. We then implement this interface in a class called MyClass. Instead of throwing a NotImplementedException, we use the default keyword to initialize the property with the default value for its type, which is null for a string.

By using the default keyword, you can avoid the need to throw NotImplementedException when implementing an interface with auto properties. Note that this approach works only for auto properties that do not have any custom logic in their getters or setters. If you need to add custom logic to a property, you will need to provide a full implementation of the property in your class.

Examples

  1. "C# interface auto property implementation"

    • Description: This query seeks information on implementing an interface in C# with auto properties instead of throwing a NotImplementedException. Auto properties simplify code by automatically generating a backing field.
    • Code Implementation:
      public interface IExampleInterface { int ExampleProperty { get; set; } } public class ExampleClass : IExampleInterface { public int ExampleProperty { get; set; } }

  2. "C# interface default property implementation"

    • Description: This query delves into implementing interface properties in C# with a default value or behavior, avoiding NotImplementedException by providing a meaningful implementation.
    • Code Implementation:
      public interface IExampleInterface { int ExampleProperty { get; set; } } public class ExampleClass : IExampleInterface { public int ExampleProperty { get; set; } = 0; // Default value }

  3. "C# interface property implementation without NotImplementedException"

    • Description: This query specifically targets ways to implement interface properties in C# without resorting to throwing NotImplementedException.
    • Code Implementation:
      public interface IExampleInterface { int ExampleProperty { get; set; } } public class ExampleClass : IExampleInterface { private int _exampleProperty; public int ExampleProperty { get { return _exampleProperty; } set { _exampleProperty = value; } } }

  4. "C# auto property interface implementation"

    • Description: This query focuses on implementing C# interfaces using auto properties, which automatically generate the backing field, simplifying the implementation.
    • Code Implementation:
      public interface IExampleInterface { int ExampleProperty { get; set; } } public class ExampleClass : IExampleInterface { public int ExampleProperty { get; set; } }

  5. "C# interface property implementation with auto getter and setter"

    • Description: This query targets implementing interface properties in C# with auto-implemented getter and setter, eliminating the need for explicit implementation.
    • Code Implementation:
      public interface IExampleInterface { int ExampleProperty { get; set; } } public class ExampleClass : IExampleInterface { public int ExampleProperty { get; set; } }

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