Outlook contact normal code convert to LateBinding(For add contact to outlook)

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C#

C#4.0

Any one please tell me, how to use this code Late Binding methods,
Or add a new contact to outlook by using latebinding methods,
I try all the way there is no used

/Microsoft.Office.Interop.Outlook.Application outlookApp = new Microsoft.Office.Interop.Outlook.Application();
            //Microsoft.Office.Interop.Outlook.MAPIFolder Folder_Contacts = (Microsoft.Office.Interop.Outlook.MAPIFolder)

            //outlookApp.Session.GetDefaultFolder(Microsoft.Office.Interop.Outlook.OlDefaultFolders.olFolderContacts);
            //Outlook.ContactItem newContact = (Outlook.ContactItem)Folder_Contacts.Items.Add(Microsoft.Office.Interop.Outlook.OlItemType.olContactItem);
            try
            {
                newContact.CompanyName = CompanyName;
                newContact.FirstName = FirstName;
                newContact.LastName = LastName;
                newContact.MiddleName = MiddleName;
                newContact.BusinessAddressStreet = BusinessAddressStreet;
                newContact.BusinessAddressCity = BusinessAddressCity;
                newContact.BusinessAddressState = BusinessAddressState;
                newContact.BusinessAddressPostalCode = BusinessAddressPostalCode;
                newContact.Email1Address = Email2Address;
                newContact.Email2Address = Email1Address;
                newContact.Save();
                newContact.Display(true);
            }
           catch
           {
               MessageBox.Show("The new contact was not saved.");
           }