Outlook 2010遍历会话相关的所用邮件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Office.Tools.Ribbon;
using Outlook = Microsoft.Office.Interop.Outlook;

namespace GetConversationMails
{
public partial class Ribbon1
{
private void Ribbon1_Load(object sender, RibbonUIEventArgs e)
{

}

private void button1_Click(object sender, RibbonControlEventArgs e)
{
Outlook.Application objApplication = Globals.ThisAddIn.Application;
Outlook.Explorer objExplorer = objApplication.ActiveExplorer();
for (int i = 0; i <= objExplorer.Selection.Count; i++)
{
if (i > 0)
{
var obj = objExplorer.Selection[i];
if (obj is Outlook.MailItem)
{
Outlook.MailItem objMailItem = (Outlook.MailItem)obj;
Outlook.Conversation objConversation = objMailItem.GetConversation();
Outlook.SimpleItems objRootItems = objConversation.GetRootItems();
objExplorer.ClearSelection();
foreach (var Element1 in objRootItems)
{
if (Element1 is Outlook.MailItem)
{
Outlook.MailItem objRootItem = (Outlook.MailItem)Element1;
//对根邮件的处理。这里的示例为在Inspector中显示。
objRootItem.Display();
Outlook.SimpleItems objChildrenItem = objConversation.GetChildren(objRootItem);
foreach (var Element2 in objChildrenItem)
{
if (Element2 is Outlook.MailItem)
{
Outlook.MailItem objChildItem = (Outlook.MailItem)Element2;
//对子邮件的处理，这里的示例为在Inspector中显示。
objChildItem.Display();
}
}
}
}
}
}
}
}
}
}