Using enum in .net

Using a Enum in C#.net
Code Sample
// declaring a enum
enum Operations
{
add,sub,mul,div
};

public void mymethod()
{
// creating object of enum
Operations op ;
// assinging value to enum
op = Operations.add ;
// using it to compare
if(op== Operations.add)
{
// do somethng.. addition
}
}