class CMsgSwitch
{
public:
CMsgSwitch();
~CMsgSwitch();
// This is what the client executes instead of the specific functions 
// that perform the implementation.
bool SendMsg(const CMsg& msg);
// Declare a Type Definition of a Pointer to a Function that accepts a 
// ref to a CMsg and returns a bool. All message processing functions 
// have this signature.
typedef bool (CMsgSwitch::*PFB)(const CMsg&);
protected:
private:
// Holds a Map of Pointers to Message Processing Function 
// indexed by MSG_TYPE
std::map m_opMap;
// The prototypes for the message processing functions hidden 
// from the client.
bool CMsgSwitch::ProcessMsgT1(const CMsgT1&);
bool CMsgSwitch::ProcessMsgT2(const CMsgT2&);
bool CMsgSwitch::ProcessMsgT3(const CMsgT3&);
};