// Show tray icon, specified in sh_icon and hide remaining tray icons.
public void showIcon(NotifyIcon sh_icon)
{
List <NotifyIcon> icons;
icons = new List <NotifyIcon>();
icons.Add(TrayIcon);
icons.Add(startIcon);
icons.Add(stopIcon);
icons.Add(errorIcon);
foreach (NotifyIcon icon in icons)
{
icon.Visible = sh_icon.Equals(icon);
}
}
