Check out example codes for "how to make a function inside a function c#". It will help you in understanding the concepts better.

Code Example 1

public static void Main(string[] arg) {
 	Console.WriteLine("hello");
  	void World() {
     	Console.WriteLine("world") 
    }
  	world();
}

/*
output:
hello
world
*/

Learn ReactJs, React Native from akashmittal.com