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What is wrong with the code?!

Posted on 2009-07-01
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355 Views
Last Modified: 2013-12-17

Hello group,

I'm just new to C# and found a code on CodeProject to pool some emails from a mail server. The code is a class so I'm adding a project and using it.

However, I get errors as:

Error      1      Using the generic type 'System.Collections.Generic.IEnumerator<T>' requires '1' type arguments      C:\downloads\WindowsFormsApplication1\Form1.cs      43      25      WindowsFormsApplication1

Error      2      'Pop3.Pop3Component' does not contain a definition for 'Body' and no extension method 'Body' accepting a first argument of type 'Pop3.Pop3Component' could be found (are you missing a using directive or an assembly reference?)      C:\downloads\WindowsFormsApplication1\Form1.cs      51      43      WindowsFormsApplication1


How can I fix them?



Thanks,
ak

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 Pop3;
 
 
 
 
namespace WindowsFormsApplication1
{
    
 
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            
            string s_username = "user1@domain.com";
            string s_password = "passwd";
            string s_pop3_server = "mail.domain.com";
 
 
            try
            {
                Pop3Client email = new Pop3Client(s_username, s_password, s_pop3_server);
                email.OpenInbox();
 
                while (email.NextEmail())
                {
                    if (email.IsMultipart)
                    {
                        IEnumerator enumerator = email.MultipartEnumerator;
                        while (enumerator.MoveNext())
                        {
                            Pop3Component multipart = (Pop3Component)
                            enumerator.Current;
                            if (multipart.IsBody)
                            {
                                Console.WriteLine("Multipart body:" +
                                multipart.Body);
                            }
                            else
                            {
                                Console.WriteLine("Attachment name=" +
                                multipart.Name); // ... etc
 
                            }
                        }
                    }
                }
 
                email.CloseConnection();
 
            }
            catch (Pop3LoginException)
            {
                Console.WriteLine("You seem to have a problem logging in!");
            }
 
            
        }
    }
}

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Question by:akohan
6 Comments
 
LVL 55

Expert Comment

by:Jaime Olivares
ID: 24759601
be sure to have:
using System.Collections;
along with
using System.Collections.Generic;
0
 
LVL 9

Accepted Solution

by:
Rahul Goel ITIL earned 500 total points
ID: 24760639
This is the best solution of the your problem, you might need to change your code and use the new class.

Refer to :
http://www.developerfusion.com/article/4071/how-to-pop3-in-c/
0
 
LVL 16

Expert Comment

by:sunithnair
ID: 24761762
Try the code like this
0
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LVL 16

Expert Comment

by:sunithnair
ID: 24761764

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Pop3;
 
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            string s_username = "user1@domain.com";
            string s_password = "passwd";
            string s_pop3_server = "mail.domain.com";
 
            try
            {
                Pop3Client email = new Pop3Client(s_username, s_password, s_pop3_server);
                email.OpenInbox();
                while (email.NextEmail())
                {
                    if (email.IsMultipart)
                    {
                        IEnumerator enumerator = email.MultipartEnumerator;
                        while (enumerator.MoveNext())
                        {
                            Pop3Component multipart = (Pop3Component)
                            enumerator.Current;
                            if (multipart.IsBody)
                            {
                                Console.WriteLine("Multipart body:" +
                                multipart.Data);
                            }
                            else
                            {
                                Console.WriteLine("Attachment name=" +
                                multipart.Name); // ... etc
 
                            }
                        }
                    }
                }
                email.CloseConnection();
            }
            catch (Pop3LoginException)
            {
                Console.WriteLine("You seem to have a problem logging in!");
            }
        }
    }
}

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LVL 55

Expert Comment

by:Jaime Olivares
ID: 24762416
I think it is just a matter of the missing namespace.
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Author Closing Comment

by:akohan
ID: 31599029
Thanks
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