This article shares the specific code for C# to implement circular sending computer screenshots for your reference. The specific content is as follows
A demo written, after establishing a Socket connection, sending a computer screenshot loop
After the server is enabled, listen for port number 2000 and create a new socket for the new connection. Then receive screenshots from the client and determine that after receiving an image is completed. Display the image on the pictureBox control.
using System;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
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using ;
namespace server
{
public partial class Form1 : Form
{
public Thread mythread;
public int shu = 0;
public Form1()
{
InitializeComponent();
// CheckForIllegalCrossThreadCalls = false; not required }
public Socket nect(int port, string host)
{
IPAddress ip = (host);
IPEndPoint ipe = new IPEndPoint(ip, port);
Socket s = new Socket(, , );//Create a Socket class (ipe);//Bind port 2000 (0);//Start monitoring Socket temp = ();//Create a new socket for a new connection. return temp;
}
public void look(object s)
{
Socket temp = (Socket)s;
byte[] buffer = new byte[1024];
while (true)
{
try
{
MemoryStream ms = new MemoryStream();
// (1000);
int end = 1;
while (end != 0)
{
shu = (buffer, , 0);//Receive information from the client if (shu == 5)
end = 0;
else
(buffer, 0, 1024);
}
= (ms);
();
}
catch( e)
{
}
}
}
//Open private void button1_Click(object sender, EventArgs e)
{
int port = 2000;
string host = "127.0.0.1";
Socket temp = nect(port, host);
mythread = new Thread(new ParameterizedThreadStart(look));
(temp);
}
}
}
After the client connects to the server, after obtaining the screenshot, set the size and clarity of the picture, and send the screenshots in a loop.
using System;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
namespace client
{
class Program
{
static void Main(string[] args)
{
int port = 2000;
string host = "127.0.0.1";
Socket c=connect(port, host);
Bitmap bt = new Bitmap(, );
Graphics g= (bt);
while(true)//Send screenshots in loop {
MemoryStream ms = new MemoryStream();
(new Point(0, 0), new Point(0, 0), );//Get screenshot Image mm = SaveJpg(bt,10);//Set picture clarity mm = GetWebImage(mm,360,240);//Change the screenshot size (ms, );
byte[] buffer = new byte[1024];
= 0;
int end = 1;
while (end != 0)
{
end= (buffer, 0, 1024);// End is zero means reading is completed (buffer, , 0);//1024 bytes are sent each time }
string sendStr = "over!";//End information byte[] bs = (sendStr);
(bs, , 0);//Send test information ();
}
();
();
}
public static Socket connect(int port, string host)
{
IPAddress ip = (host);
IPEndPoint ipe = new IPEndPoint(ip, port);//Convert ip and port into IPEndPoint instance Socket c = new Socket(, , );//Create a Socket ("Conneting...");
try
{
(ipe);//Connect to the server return c;
}
catch
{
(1000);
connect(port, host);
return c;
}
}
public static Image SaveJpg(Image image, long value)//Set image quality 1-100 {
ImageCodecInfo icInfo = null;
ImageCodecInfo[] infos = ();
foreach (ImageCodecInfo info in infos)
{
if ( == "image/jpeg")
{
icInfo = info;
break;
}
}
EncoderParameters ep = new EncoderParameters(2);
[0] = new EncoderParameter(, value);//Quality, define the clarity of the picture [1] = new EncoderParameter(, (long));//Compression seems to have no effect return image;
}
public static Image GetWebImage(Image img, int p_Width, int p_Height)//Change the image size {
Bitmap _Bitmap = new Bitmap(p_Width, p_Height);
Graphics _Graphcis = (_Bitmap);
_Graphcis.DrawImage(img, 0, 0, p_Width, p_Height);
_Graphcis.Dispose();
return _Bitmap;
}
}
}
The above is all the content of this article. I hope it will be helpful to everyone's study and I hope everyone will support me more.