I am trying to set up two programs in C#. Basically, a simple server side set up where I want the client to listen for an image from the Server. Then, upon receiving the image, will display it in a PictureBox.
**I keep running into the following error:
A first chance exception of type 'System.ArgumentException' occurred in System.Drawing.dll or Parameter is not Valid**
SERVER SIDE
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ServerComputer
{
public partial class mainForm : Form
{
public mainForm()
{
InitializeComponent();
}
Socket sendsocket;
private void goLive_Click(object sender, EventArgs e)
{
try
{
sendsocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//The instantiation of socket, IP for 192.168.1.106, 10001 for Port
IPEndPoint ipendpiont = new IPEndPoint(IPAddress.Parse(ipAddress.Text.Trim()), 10001);
sendsocket.Connect(ipendpiont);
//Establishment of end point
Thread th = new Thread(new ThreadStart(threadimage));
th.IsBackground = true;
th.Start();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
this.Hide(); //Hidden form
}
private Bitmap GetScreen()
{
Bitmap bitmap = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
Graphics g = Graphics.FromImage(bitmap);
g.CopyFromScreen(0, 0, 0, 0, bitmap.Size);
return bitmap;
}
private void threadimage()
{
try
{
while (true)
{
MemoryStream ms = new MemoryStream();
GetScreen().Save(ms, System.Drawing.Imaging.ImageFormat.Bmp); //Here I use the BMP format
byte[] b = ms.ToArray();
sendsocket.Send(b);
Thread.Sleep(67); //I'm here to set to send a second
}
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
return;
}
}
}
}
CLIENT SIDE
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Sockets;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ClientComputer
{
public partial class mainForm : Form
{
public mainForm()
{
InitializeComponent();
}
Socket hostSocket;
Thread thread;
string localIP = string.Empty;
string computrHostName = string.Empty;
private void mainForm_Load(object sender, EventArgs e)
{
computrHostName = Dns.GetHostName();
IPHostEntry hostname = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in hostname.AddressList)
{
if (ip.AddressFamily.ToString() == "InterNetwork")
{
localIP = ip.ToString();
}
}
}
private void liveScreen_Click(object sender, EventArgs e)
{
Socket receiveSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint hostIpEndPoint = new IPEndPoint(IPAddress.Parse(localIP), 10001);
//Connection node
receiveSocket.Bind(hostIpEndPoint);
receiveSocket.Listen(10);
MessageBox.Show("start");
hostSocket = receiveSocket.Accept();
thread = new Thread(trreadimage);
thread.Start();
thread.IsBackground = true;
}
private void trreadimage()
{
int dataSize, i = 0;
try
{
while (true)
{
i++;
byte[] b = new byte[1024 * 1024 * 20]; //Picture of great
dataSize = hostSocket.Receive(b,0,b.Length,SocketFlags.None);
MemoryStream ms = new MemoryStream(b,0,dataSize,true);
//bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
Image img = Image.FromStream(ms);
img.Save("Image"+i+".Jpeg", System.Drawing.Imaging.ImageFormat.Jpeg);
videoBox.Image = img;
Console.WriteLine("Image Size: " + dataSize);
}
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
thread.Abort();
}
}
}
}
Bitmap bmp = (Bitmap)Bitmap.FromStream(ms);?Image img = Image.FromStream(ms);bmp.Save("Image"+i+".Jpeg", System.Drawing.Imaging.ImageFormat.Jpeg);