C# windowform Skype發送信息

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 SKYPE4COMLib;using System.Collections;namespace Skype{    /// <summary>    /// 20120804 塗聚文    /// 締友計算機信息技術有限公司    /// Geovin Du [e-mail]    /// </summary>    public partial class Form1 : Form    {        string strskypeuser = string.Empty;        string strskypeid = string.Empty;        SKYPE4COMLib.Skype oSkype = new SKYPE4COMLib.Skype();        /// <summary>        ///        /// </summary>        public Form1()        {            InitializeComponent();        }                /// <summary>        ///        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void button1_Click(object sender, EventArgs e)        {            //不能發送文件在WEB上可以用            //string file = @"E:\金蝶KIS系列产品简介.xls";            //oSkype.Client.OpenFileTransferDialog(strskypeid, file);//打開發送文件            oSkype.SendMessage(strskypeid, strskypeuser + ":" + textBox1.Text);        }        /// <summary>        ///        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Form1_Load(object sender, EventArgs e)        {            if (oSkype.Client.IsRunning == false)//判断客户端是否运行            {                //是否能免費提供登錄調用的API？不管是DESKTOP或是WEB                oSkype.Client.Start(true, true);//運行                MessageBox.Show("請登錄SKPYE再重新操作", "請注意");                return;            }            else            {                this.listBox1.DataSource = skyuselist();                this.listBox1.DisplayMember = "userDisplayName";                this.listBox1.ValueMember = "userLoginName";            }                ////初始化物件，預設會抓本機的Skype帳號資訊                //SKYPE4COMLib.Skype oSkype = new SKYPE4COMLib.Skype();                //UserCollection tFriends = oSkype.Friends;                ////取出所有的朋友資訊                //foreach (User tUser in oSkype.Friends)                //{                //    if (tUser.FullName.Trim() != "")                //    {                //        ListItem newItem = new ListItem(tUser.Handle, tUser.FullName);                //        listBox1.Items.Add(newItem);                //        this.listBox1.DisplayMember = "Name";                //        this.listBox1.ValueMember = "ID";                //        //listBox1.Items.Add(tUser.Handle);//賬號 //tUser.FullName //昵稱                //        //listBox1.Items.AddRange(tUser.FullName);                //    }                                        //}        }        /// <summary>        ///        /// </summary>        /// <returns></returns>        private DataTable skyuselist()        {            DataTable d = new DataTable();            //初始化物件，預設會抓本機的Skype帳號資訊            //SKYPE4COMLib.Skype oSkype = new SKYPE4COMLib.Skype();            UserCollection tFriends = oSkype.Friends;            d.Columns.Add("userLoginName", typeof(string));            d.Columns.Add("userDisplayName", typeof(string));            //取出所有的朋友資訊            foreach (User tUser in oSkype.Friends)            {                if (tUser.FullName.Trim() != "")                {                    //ListItem newItem = new ListItem(tUser.Handle, tUser.FullName);                    //listBox1.Items.Add(newItem);                    //this.listBox1.DisplayMember = "Name";                    //this.listBox1.ValueMember = "ID";                    //listBox1.Items.Add(tUser.Handle);//賬號 //tUser.FullName //昵稱                    //listBox1.Items.AddRange(tUser.FullName);                    d.Rows.Add(tUser.Handle, tUser.FullName);                }                else                {                    d.Rows.Add(tUser.Handle, tUser.Handle);                }                            }            d.Rows.Add("geovindu", "geovindu");            return d;        }        /// <summary>        /// 選擇SKYPE用戶        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void listBox1_Click(object sender, EventArgs e)        {            strskypeuser= this.listBox1.Text;            strskypeid = this.listBox1.SelectedValue.ToString();            MessageBox.Show(strskypeuser+","+strskypeid);        }