public static IpCam getInstance(string ipAdress)
{
IpCam cam = null;
if (ipAdress == null || (!camera.ContainsKey(ipAdress) && camera.Count < 3))
{
cam = new IpCam(ipAdress);
camera.Add(ipAdress, cam);
}
else
{
throw new ArgumentException(string.Format("{0} Eror!", ipAdress));
}
return(cam);
}
static void Main(string[] args)
{
try
{
IpCam cam1 = IpCam.getInstance("192.168.0.1");
WriteLine(cam1.IP);
WriteLine();
IpCam cam2 = IpCam.getInstance("192.168.1.2");
WriteLine(cam2.IP);
WriteLine();
IpCam cam3 = IpCam.getInstance("192.168.1.3");
WriteLine(cam3.IP);
WriteLine();
ReadKey();
}
catch (ArgumentException ex)
{
WriteLine(ex.Message);
}
}