// MyTaskBarAddIcon - adds an icon to the taskbar status area.  
// Returns TRUE if successful or FALSE otherwise. 
// hwnd - handle of the window to receive callback messages 
// uID - identifier of the icon 
// hicon - handle of the icon to add 
// lpszTip - ToolTip text 
BOOL MyTaskBarAddIcon(HWND hwnd, UINT uID, HICON hicon, LPSTR lpszTip) 
{ 
    BOOL res; 
    NOTIFYICONDATA tnid; 
 
    tnid.cbSize = sizeof(NOTIFYICONDATA); 
    tnid.hWnd = hwnd; 
    tnid.uID = uID; 

    tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; 
    tnid.uCallbackMessage = MYWM_NOTIFYICON; 
    tnid.hIcon = hicon; 
    if (lpszTip) 
        lstrcpyn(tnid.szTip, lpszTip, sizeof(tnid.szTip)); 
    else 
        tnid.szTip[0] = '\0'; 
 
    res = Shell_NotifyIcon(NIM_ADD, &tnid); 
 
    if (hicon) 
        DestroyIcon(hicon); 
 
    return res; 
}