How do you reference an outer class from an inner class?

How do you reference an outer class from an inner class?

If you want your inner class to access outer class instance variables then in the constructor for the inner class, include an argument that is a reference to the outer class instance. The outer class invokes the inner class constructor passing this as that argument.

Can an inner class reference outer object?

Static Nested Classes As with class methods and variables, a static nested class is associated with its outer class. And like static class methods, a static nested class cannot refer directly to instance variables or methods defined in its enclosing class: it can use them only through an object reference.

Can inner class access outer class private variables C#?

You need to pass in the parent (since there’s no outer keyword), but the inner class can access private members of the parent.

How do you call a class inside another class in C#?

Your answer

1. Suppose you have two classes:
2. Class1: public class Class1 { //Your code above }
3. Class2: public class Class2 { }
4. You can use Class2 in different ways:
5. Class Field: public class Class1{ private Class2 class2 = new Class2(); }

How can we create the object outside the outer class to the inner class which is present inside the outer class?

To instantiate an inner class, you must first instantiate the outer class. Then, create the inner object within the outer object with this syntax: OuterClass.

What class most an inner class extend?

Inner class can extend it’s outer class. But, it does not serve any meaning. Because, even the private members of outer class are available inside the inner class. Even though, When an inner class extends its outer class, only fields and methods are inherited but not inner class itself.

Can we write class inside a class in C#?

In C#, a user is allowed to define a class within another class. Such types of classes are known as nested class. This feature enables the user to logically group classes that are only used in one place, thus this increases the use of encapsulation, and create more readable and maintainable code.

Does C# have friend classes?

C# has no friend class – what are better options – Software Engineering Stack Exchange.

How do you call a method from another file in C#?

you need to follow basically 3 steps.

1. if your class is in dll then take reference of the dll to your solution file.
2. use “using ;” to the header of your class.
3. call the method using alias or with classname. methodName if static method.

What modifiers may be used with an inner class that is a member of an outer class?

Since inner classes are members of the outer class, you can apply any access modifiers like private , protected to your inner class which is not possible in normal classes. Since the nested class is a member of its enclosing outer class, you can use the dot ( . )

Can inner class extends outer class?

Inner class can extend it’s outer class. Because, even the private members of outer class are available inside the inner class. Even though, When an inner class extends its outer class, only fields and methods are inherited but not inner class itself.