Override set part of a property from base abstract class in the subclass C#

Question

I have an abstract class called A that is the base class for another class called B. I want to override the DrawingType property in B. Here is my code:

public abstract class A
{
    protected DrawingType m_type;

    public DrawingType Type
    {
        get { return m_type; }
        set { m_type = value}
    }
}

public B : A
{
    // I want to override the 'set' of DrawingType property here.
}

How can I override the DrawingType property in B?

Answer 1

Your classes should look like the following:

abstract class A
{
    protected DrawingType m_type;

    protected virtual DrawingType Type
    {
        get { return m_type; }
        set { m_type = value; }
    }
}

class B : A
{
    protected override DrawingType Type
    {
        get
        {
            return m_type;
        }
        set
        {
            m_type = //custom logic goes here
        }
    }
}

If the base class doesn't have an implementation you can use

abstract class A
{
    protected DrawingType m_type;

    protected abstract DrawingType Type { get; set; }
}