If the constructor contains the same class in the constructor parameter then it is called as copy constructor.
class MyClass
{
public string prop1, prop2;
public MyClass(string a, string b)
{
prop1 = a;
prop2 = b;
}
public MyClass(MyClass myobj) // Copy Constructor
{
prop1 = myobj.prop1;
prop2 = myobj.prop2;
}
}