Outlook add in error

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C#3.0

C#

Outlook

Hi
Following code moves unread e-mail messages from the Inbox to a folder named Test:

private void ThisApplication_Startup(object sender, System.EventArgs e)
{
    this.NewMail += new Microsoft.Office.Interop.Outlook.
        ApplicationEvents_11_NewMailEventHandler
        (ThisApplication_NewMail);
}

private void ThisApplication_NewMail()
{
    Outlook.MAPIFolder inBox = (Outlook.MAPIFolder)this.
        ActiveExplorer().Session.GetDefaultFolder
        (Outlook.OlDefaultFolders.olFolderInbox);
    Outlook.Items items = (Outlook.Items)inBox.Items;
    Outlook.MailItem moveMail = null;
    items.Restrict("[UnRead] = true");
    Outlook.MAPIFolder destFolder = inBox.Folders["Test"];
    foreach (object eMail in items)
    {
        try
        {
            moveMail = eMail as Outlook.MailItem;
            if (moveMail != null)
            {
                string titleSubject = (string)moveMail.Subject;
                if (titleSubject.IndexOf("Test") > 0)
                {
                    moveMail.Move(destFolder);
                }
            }
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
        }
    }
}

but it gives following errors:

1. 'OutlookAddIn1.ThisAddIn' does not contain a definition for 'NewMail' and no extension method 'NewMail' accepting a first argument of type 'OutlookAddIn1.ThisAddIn' could be found (are you missing a using directive or an assembly reference?)

2. 'object' does not contain a definition for 'Session' and no extension method 'Session' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?)

I am using Microsoft Outlook objecxt liberary 12.0 and MSDN site recommended VSTO 2008. but i don t know using Outlook object liderary 12.0 correct or wrong ..

Please help.