void TrayIcon( DWORD dwAction, PTSTR pszTitle = NULL, PTSTR pszText = NULL )
{
    NOTIFYICONDATA nd = { 0 };

    nd.cbSize                = sizeof( nd );
    nd.hWnd                 = GLOBAL::hwndMain;
    nd.uFlags                = NIF_MESSAGE | NIF_ICON | NIF_INFO;
    nd.dwInfoFlags         = NIIF_INFO;
    nd.uCallbackMessage = TRAY_ICON_MESSAGE;
    nd.hIcon                 = GLOBAL::hTrayIcon;
    nd.uTimeout            = GLOBAL::dwTTTime;

    if( pszTitle != NULL ){
        lstrcpy( nd.szInfoTitle, pszTitle );
        }
    if( pszText != NULL ){
        lstrcpy( nd.szInfo, pszText );
        }

	Shell_NotifyIcon( dwAction, &nd );
}

TrayIcon( NIM_MODIFY, TEXT("Заголовок"), TEXT("Текст") );