Need help with pure virtual base class

[William Gifford <wegifford@fortlewis.edu>]

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To anybody who knows,

   Ok here we go.  I am trying to create a base class through which all 
of my objects to be drawn to the screen will be derived from.  So I will 
try to break the problem down accordingly -> I instantiate a derived 
object and a pointer to the base object and set the address of the 
pointer to the derived object like so:

CRect myRect;
CObject *object;
object = &myRect;

Everything is good up to this part. I then call on my engine to append 
the object to a list like so:

Engine.AppendObjectToList(object);

The CEngine method above takes as an argument a pointer to an object and 
the definition looks like this.

class CEngine{

private:
   
CObject *polyObject;
public:
  void AppendObjectToList(CObject *object){
     
};

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