private VehPage()
{
InitializeComponent();
listenPort = 65432;
client = new UdpClient(listenPort);
client.JoinMulticastGroup(IPAddress.Parse("239.255.255.255"));
client.BeginReceive(new AsyncCallback(ReceiveCallback), client);
}
public void ReceiveCallback(IAsyncResult ar)
{
IPEndPoint e = new IPEndPoint(IPAddress.Any, listenPort);
byte[] receiveBytes = client.EndReceive(ar, ref e);
Veh veh = Veh.DeSerializeFromBytes(ref receiveBytes);
this.Dispatcher.Invoke(new Action(
delegate
{
addVeh(veh);
}));
client.BeginReceive(new AsyncCallback(ReceiveCallback), client);
}
public static VehPage GetInstance()
{
if (instance == null)
{
instance = new VehPage();
}
return instance;
}
private void addVeh(Veh veh)
{
if (veh.LanelId == 1)
{
if (lane1.Children.Count < 10)
{
VehUnit vehUnit = new VehUnit();
vehUnit.Margin = new Thickness(30);
vehUnit.BindData(veh);
lane1.Children.Insert(0, vehUnit);
}
else
{
VehUnit unit = (VehUnit)lane1.Children[lane1.Children.Count - 1];
lane1.Children.Remove(unit);
lane1.Children.Insert(0, unit);
unit.BindData(veh);
unit.Reload();
}
}
else if (veh.LanelId == 2)
{
if (lane2.Children.Count < 10)
{
VehUnit vehUnit = new VehUnit();
vehUnit.Margin = new Thickness(30);
vehUnit.BindData(veh);
lane2.Children.Insert(0, vehUnit);
}
else
{
VehUnit unit = (VehUnit)lane2.Children[lane2.Children.Count - 1];
lane2.Children.Remove(unit);
lane2.Children.Insert(0, unit);
unit.BindData(veh);
unit.Reload();
}
}
}
private void button1_Click(object sender, RoutedEventArgs e)
{
if (lane1.Children.Count < 10)
{
VehUnit uinit = new VehUnit();
uinit.Margin = new Thickness(30);
lane1.Children.Insert(0, uinit);
}
else
{
VehUnit unit = (VehUnit)lane1.Children[lane1.Children.Count - 1];
lane1.Children.Remove(unit);
lane1.Children.Insert(0, unit);
unit.Reload();
}
}
}
以前有个人在winform下制作的，想对其模仿，改在wpf和ASP下
