Client

Imports System.IO
Imports System.Net
Imports System.Net.Sockets
Imports System.Threading
Imports System.Drawing
Imports System.Runtime.Serialization.Formatters.Binary

Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Timer1.Stop()
    End Sub

    Dim client As New TcpClient
    Dim nstream As NetworkStream

    Public Function Desktop() As Image
        Dim bounds As Rectangle = Nothing
        Dim screenshot As System.Drawing.Bitmap = Nothing
        Dim graph As Graphics = Nothing
        bounds = Screen.PrimaryScreen.Bounds
        screenshot = New Bitmap(bounds.Width, bounds.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb)
        graph = Graphics.FromImage(screenshot)
        graph.CopyFromScreen(bounds.X, bounds.Y, 0, 0, bounds.Size, CopyPixelOperation.SourceCopy)
        Return screenshot
    End Function

    Private Sub SendImage()
        Dim bf As New BinaryFormatter
        nstream = client.GetStream
        bf.Serialize(nstream, Desktop())
    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        SendImage()
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            client.Connect("24.122.231.246", 8085)
        Catch ex As Exception
            MsgBox("Impossible de se connecter...")
        End Try
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Timer1.Interval = TextBox1.Text
        Timer1.Start()
    End Sub
End Class