Working with OverRiding

• OverRiding is a concept of having two methods with same name and same args in base and derived classes.
  
• In OverRiding,by default importance will be given to local methods.
• "base" is a Keyword.
• "base" points to parent class.
• "this" points to current class.
• In OverRiding,in order to access parent class methods,base.methodname() need to be used
• "base" keyword can be used with methods,fields and constructors also

Example on "base" keyword with methods.

              class A

        {

            public void Show()

            {

                MessageBox.Show("From A....");

            }

        }

        class B : A

        {

            public void Show()

            {

                MessageBox.Show("From B....");

                base.Show();

            }

        }

        private void button3_Click(object sender, EventArgs e)

        {

            B obj = new B();

            obj.Show();

        }