C# - How To Inject To All Child Objects Automatically

Consider this abstract class

public abstract class Foo
{
public Injectable Prop {get;set;}
}

i have an application that i want to enhance and simultaneously refactor for simplicity.

I have over 100 classes that call some same stuff (e.g Class Injectable) and i am thinking that this behaviour can be abstracted and set to a base class, and everybody will inherit from this base class so as to remove copy/paste code.

However, i want to avoid copy/paste code in the spring configuration file by defining an Injectable object and then define a child object foreach and every class that inherits from Foo.

I am looking for a way to set the abstract class's properties and then all child elements to automatically get them via configuration. I want to avoid to make the abstract class like this:

[code]....