学步园

 using (OutlookSession outlookSession = new OutlookSession())
            {
                if (outlookSession.Contacts.Items.AllowEdit)
                {
                    ContactCollection CC = outlookSession.Contacts.Items;
                    Contact contact = CC[0];
                    contact.FirstName = "Freesc";
                    contact.Update();
                }
                else
                {
                    MessageBox.Show("Not allowed to change it!!");
                }
            }

if (outlookSession.Contacts.Items.AllowEdit)
                {
                    ContactCollection CC = outlookSession.Contacts.Items;
                    Contact contact = CC[0];
                    contact.MiddleName = "耕";
                    contact.Nickname = "永";
                    contact.LastName = "你好";
                    contact.Email1Address = "hugengyong@sina.com";
                    contact.FirstName = "Freesc";
                    contact.Update();
                    for (int i = 0; i < 20;i++ )
                    {
                        Contact con = new Contact();
                        con.FirstName = "胡";
                        con.MiddleName = "耕";
                        con.LastName = "永";
                        con.Email1Address = "hugengyong@sina.com";
                        CC.Add(con);
                    }
                
                }
                else
                {
                    MessageBox.Show("Not allowed to change it!!");
                }