I have three classes like this.

class A
{
    public class innerB
       {
       //Do something
       }

    public class innerC
       {
        //trying to access objB here directly or indirectly over here. 
        //I dont have to create an object of innerB, but to access the object created by A
        //i.e.
             innerB objInnerB = objB;
        //not like this
             innerB objInnerB= new innerB();
       }

public innerB objB{get;set;}

}

I want to access the object of class B in Class C that is created by class A. Is it possible somehow to make changes on object of Class A in Class C. Can i get Class A's object by creating event or anyhow.