reading PST file in outlook and get information

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C#3.0

C#

I wrote following code for get pst information but i didn't give any out put also it dosen't have errors
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 OutLook = Microsoft.Office.Interop.Outlook;
namespace reading_past_file
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnCheck_Click(object sender, EventArgs e)
{
OutLook._Application OutlookObj = new OutLook.Application();
OutLook.MAPIFolder fldMail = (OutLook.MAPIFolder)OutlookObj.Session.GetDefaultFolder(OutLook.OlDefaultFolders.olFolderInbox);
OutLook.MailItem newMail = (OutLook.MailItem)fldMail.Items.Add(OutLook.OlItemType.olMailItem);

}
}
}


let me tell u what i want to do
I need to do I need to read Unread emils in MAPI folder and get SenderName SenderAddress Body and Attachment content for my development I don't really have good idea about Introp classes