How to call the parent method that is overrided in a subclass from the method in the child class? [duplicate]

Question

I want to call FamilyCar method Move(). If FamilyCar is a LandVehicle, I want to call LandVehicle Move() method at the same time. I'm looking for very basic way to do it.

Base class

class LandVehicle : Vehicle { public override string Move() { return "Move on the wheels"; } }

Subclass

class FamilyCar : LandVehicle { public override string Move() { return "Pip pip!"; } }

“If FamilyCar is a LandVehicle...” What do you mean? A FamilyCar is always a LandVehicle. — Sweeper
– Sweeper, Commented Jul 15, 2020 at 10:20
True, the fact is that I have more subclasses except FamilyCar. For each LandVehicle i want method Move() from LandVehicle to call and additionaly call their own method called the same that is more specified. — h0ax
– h0ax, Commented Jul 15, 2020 at 10:25
do you mean how to call base method in derived class like base.Move() in FamilyCar.Move()? — Selvin
– Selvin, Commented Jul 15, 2020 at 10:28
You can use base.Move() to call the parent's move function. Of course you can't return twice so you have to refactor that part. — Kokodoko
– Kokodoko, Commented Jul 15, 2020 at 10:29
@h0ax That is part of polymorphism mechanisms, and here, calling the base class as you ask for: What is polymorphism. I hope this can help you to enjoy C# coding: How do I improve my knowledge in C#. — user12031933
– user12031933, Commented Jul 15, 2020 at 10:37

Aman B · Accepted Answer · 2020-07-15 10:30:24Z

You can use base.Move() to call the parent class Move method:

class LandVehicle : Vehicle { public override string Move() { return "Move on the wheels"; } }

Subclass

class FamilyCar : LandVehicle { public override string Move() { base.Move(); //this will call LandVehicle.Move() return "Pip pip!"; } }

@Selvin that's true but I think OP just wanted to know how to call the base class method

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