creting event handler client in vc++ for Source c# event

Hello all,

 Can any one have the source of How to add event handler in unmanaged MFC
application for
event source which is in Managed(c# class library).

Here is the Event Source code
:
namespace ircConnect

{

public class IrcConnection

{

public delegate void MessageEventHandler(object sender,MessageEventArgs e);

public event MessageEventHandler MessageIncome;

}End Class

Event Client

void CADONET_MFCDlg::OnFilling() //This is the MFC dialog box event

{

#pragma push_macro("new")

#undef new

try

{

m_IrcConnection =new IrcConnection();

FileWatcherEvents *f=new FileWatcherEvents();

m_IrcConnection->add_MessageIncome=new
IrcConnection::MessageEventHandler(m_IrcConnection,OnMessageIncome);

};

im using gcroot template
gcroot<IrcConnection*> m_IrcConnection;

gcroot<IrcMessage*> m_IrcMessage;

void static OnMessageIncome( Object* sender,
IrcConnection::MessageEventHandler* e );

but the compile time error generated as follows

error C3363: 'void CADONET_MFCDlg::OnMessageIncome(System::Object __gc
*,ircConnect::IrcConnection::MessageEventHandler __gc *)' : cannot create a
delegate handler for 'ircConnect::IrcConnection::MessageEventHandler' from a
non-member function or a member of an unmanaged class