How Do I Refresh My Xml Web Service?

Question

0.00/5 (No votes)

See more:

Hi everbody;

my web service code is here;

C#

[WebMethod]
     public List<byte[]> getPicture()
     {
         List<byte[]> img = new List<byte[]>();
         string impath = @"C:\Users\vehbi\Desktop\pictures";
         foreach (string file in Directory.GetFiles(impath))
             img.Add(File.ReadAllBytes(file));

         return img;
     }

my form application code:

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 System.IO;
using System.Xml;

namespace Client
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

ServiceReference1.Service1SoapClient deneme = new ServiceReference1.Service1SoapClient();

private void Form1_Load(object sender, EventArgs e)
{

}
private void button1_Click(object sender, EventArgs e)
{
timer1.Start();

byte[][] img = deneme.getPicture();

flowLayoutPanel1.Controls.Clear();
foreach (byte[] pic in img)
{
MemoryStream ms = new MemoryStream(pic);
PictureBox picbox = new PictureBox();
picbox.Size = new System.Drawing.Size(150, 150);
picbox.Image = Image.FromStream(ms);
picbox.SizeMode = PictureBoxSizeMode.Zoom;
flowLayoutPanel1.Controls.Add(picbox);

}

}

my question is how can i refresh my web service. Server adds a picture per 15 minutes and clients has to see added pictures. without pressing button1

Posted 1-Jul-14 21:02pm

Member 10902422

Add a Solution

Comments

Raul Iloc 2-Jul-14 3:32am

Why did you UnDo the acceptance of my solution?

Member 10902422 2-Jul-14 6:27am

Don't missunderstand its about me i did not know codeproject.com i'm new for website

Raul Iloc 2-Jul-14 13:13pm

You should accept a solution if it helps you to solve your problem.

Raul Iloc 3-Jul-14 1:18am

See my update in my solution below!

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Raul Iloc · Accepted Answer · 2014-07-01T21:11:00

1.You should use Timer class[^]. So in this way on each 15 minutes (or other value that could be also configurable) the timer action will automatically check, load, then display in your UI the new images from your web service.

2.You should remove the code timer1.Start(); , then in your Form1_Load() event method you have to initialize your Timer object by setting its time interval and more important the timer event, and finally move your code that get the image in this event method like below:

C#

private void Form1_Load(object sender, EventArgs e)
{
        // Create a timer with a 15 minutes interval.
        timer1 = new System.Timers.Timer(900000);
        // Hook up the Elapsed event for the timer.
        timer1.Elapsed += OnTimedEvent;
        timer1.Enabled = true;
}

private static void OnTimedEvent(Object source, ElapsedEventArgs e)
{
byte[][] img = deneme.getPicture();
 
flowLayoutPanel1.Controls.Clear();
foreach (byte[] pic in img)
 {
   MemoryStream ms = new MemoryStream(pic);
   PictureBox picbox = new PictureBox();
   picbox.Size = new System.Drawing.Size(150, 150);
   picbox.Image = Image.FromStream(ms);
   picbox.SizeMode = PictureBoxSizeMode.Zoom;
   flowLayoutPanel1.Controls.Add(picbox);
 }
}