Adding a setter to a derived interface

Question

Is it possible somehow to achieve this behavior in C#:

public interface IReadOnly
{
    Data Value { get; }
}

internal interface IWritable : IReadOnly 
{
           


        

Answer 1

For this to work well, one should declare and implement an IReadWrite, which inherits both IReadable and IWritable, and includes a "new" read-write property. Otherwise an interface that has separate get and set properties, but no get-set property, will be neither readable nor writable.