How to make a CALLBACK Function ???

I have made a function that shows an Icon in the taskbar of windows98, and in that funtion I've told windows to make a callback message by using NOTIFYICONDATA structure.
My question now is, how do I make a funtion in my c++builder 5 that recieves the message from windows, when my mouse click's on the icon ???
I have read, that I should make a callback function, but I don't know how to do that. The function that I want to receive the windows message is called:
void On_MYWM_NOTIFYICON(WPARAM wParam, LPARAM lParam)
so I hope you know what is missing ???
ROAsked:
Who is Participating?
 
gelbertConnect With a Mentor Commented:
h

class CMainFrame : public CFrameWnd
{
DECLARE_DYNAMIC(CMainFrame)  
//{{AFX_MSG(CMainFrame)
....
afx_msg LRESULT OnTrayNotification(WPARAM wp, LPARAM lp);  
....
//}}AFX_MSG  
DECLARE_MESSAGE_MAP()};

..cpp

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)  
//{{AFX_MSG_MAP(CMainFrame)  
....
ON_MESSAGE(WM_MY_TRAY_NOTIFICATION, OnTrayNotification)  
....
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
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WynCommented:
c++builder 5 !!!
0
 
gelbertCommented:
Use in .h
LRESULT CALLBACK OnTrayNotification(WPARAM wp, LPARAM lp);
Use in .cpp
LRESULT CALLBACK OnTrayNotification(WPARAM wp, LPARAM lp)
{
   return (long)0;
}
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ROAuthor Commented:
I'm sorry that I distorbed you, but your answer wasn't what I was looking for. I've solved my problem by using something called message map in borland c++ builder 5.
Thanks anyway for traying to help!!!
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