abstract class internalProp
    {
        abstract public valType GetValue<valType>();
    }

    class internalProp<propType> : internalProp
    {
        propType internalVal;

        public internalProp(propType newVal)
        {
            internalVal = newVal;
        }

        public override valType GetValue<valType>()
        {
            return (valType)internalVal;
        }
    }

    class myclass
    {
        internalProp m_internalProp;

        void SetColor(object obj)
        {
            Type type = typeof(obj);
            m_internalProp = new InternalProp<type>(obj);
        }
        
        type GetColor<type>()
        {
            return m_internalProp.GetValue<type>();
        }

    }