2 errors PC SDK (ABB robotstudio)

[Stijn1]

Hey,

Ik krijg 2 errors wanneer ik onderstaande code debug, weet iemand hoe ik deze problemen kan oplossen ? Errors heb ik aangeduid naast de lijn code en in rood.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms ;
using ABB.Robotics;
using ABB.Robotics.Controllers;
using ABB.Robotics.Controllers.Discovery;
using ABB.Robotics.Controllers.RapidDomain;





namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{

private NetworkScanner scanner = null;
private Controller controller = null;
private Task[] tasks = null;
private NetworkWatcher networkwatcher = null;



public Form1()
{
}




private void Form1_Load(object sender, EventArgs e)
{
this.scanner = new NetworkScanner();
this.scanner.Scan();
ControllerInfoCollection controllers = scanner.Controllers;
ListViewItem item = null;
foreach (ControllerInfo controllerInfo in controllers)
{
item = new ListViewItem(controllerInfo.IPAddress.ToString());
item.SubItems.Add(controllerInfo.Id);
item.SubItems.Add(controllerInfo.Availability.ToString());
item.SubItems.Add(controllerInfo.IsVirtual.ToString());
item.SubItems.Add(controllerInfo.SystemName);
item.SubItems.Add(controllerInfo.Version.ToString());
item.SubItems.Add(controllerInfo.ControllerName);
this.listView.Items.Add(item);
item.Tag = controllerInfo;

}

// Networkwatcher (detecteert als controllers worden aangesloten of worden verwijdert)
this.networkwatcher = new NetworkWatcher(scanner.Controllers);
this.networkwatcher.Found += new EventHandler
<NetworkWatcherEventArgs>(HandleFoundEvent);
this.networkwatcher.Lost += new EventHandler
1steERROR <NetworkWatcherEventArgs>(HandleLostEvent);
this.networkwatcher.EnableRaisingEvents = true;

}



void HandleFoundEvent(object sender, NetworkWatcherEventArgs e)
{
this.Invoke(new EventHandler<NetworkWatcherEventArgs>(AddControllerToListView), new Object[] { sender, e });
}
private void AddControllerToListView(object sender, NetworkWatcherEventArgs e)
{
ControllerInfo controllerInfo = e.Controller;
ListViewItem item = new ListViewItem(controllerInfo.IPAddress.ToString());
item.SubItems.Add(controllerInfo.Id);
item.SubItems.Add(controllerInfo.Availability.ToString());
item.SubItems.Add(controllerInfo.IsVirtual.ToString());
item.SubItems.Add(controllerInfo.SystemName);
item.SubItems.Add(controllerInfo.Version.ToString());
item.SubItems.Add(controllerInfo.ControllerName);
this.listView.Items.Add(item);
item.Tag = controllerInfo;
}

private void listView_DoubleClick(object sender, EventArgs e)
{
ListViewItem item = this.listView.SelectedItems[0];
if (item.Tag != null)
{
ControllerInfo controllerInfo = (ControllerInfo)item.Tag;
2deERROR if (controllerInfo.Availability == Availability.Available)
{
if (this.controller != null)
{
this.controller.Logoff();
this.controller.Dispose();
this.controller = null;
}
this.controller = ControllerFactory.CreateFrom(controllerInfo);
this.controller.Logon(UserInfo.DefaultUser);
}
else
{
MessageBox.Show("Selected controller not available.");
}
}

}

private void button1_Click(object sender, EventArgs e)
{

try
{
if (controller.OperatingMode == ControllerOperatingMode.Auto)
{
tasks = controller.Rapid.GetTasks();
using (Mastership m = Mastership.Request(controller.Rapid))
{
//Perform operation
tasks[0].Start();
}
}
else
{
MessageBox.Show("Automatic mode is required to start execution from a remote client.");
}
}
catch (System.InvalidOperationException ex)
{
MessageBox.Show("Mastership is held by another client.");
}
catch (System.Exception ex)
{
MessageBox.Show("Unexpected error occurred: " + ex.Message);
}

}
}
}