csharp Send Skype messages from webform and winform

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using SKYPE4COMLib; //下載地址：http://en.sourceforge.jp/projects/sfnet_skype4mp/downloads/Skype4MP/obj/Release/Interop.SKYPE4COMLib.dll/

namespace ListBoxDemo
{
/// <summary>
/// skype 發送信息，也可以用在WinForm
/// Geovin Du 塗聚文
/// 締友計算機信息技術有限公司
/// 20120725
///官網下址：https://developer.skype.com/accessories/skype4com
/// </summary>
public partial class _Default : System.Web.UI.Page
{
string strskypeuser = string.Empty;
string strskypeid = string.Empty;
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{

//1 Geovin Du 塗聚文

BindSmartListBox();

//2 Geovin Du 塗聚文

//this.ListBox1.DataSource = skyuselist();
//this.ListBox1.DataTextField = "userDisplayName";
//this.ListBox1.DataValueField = "userLoginName";
//this.ListBox1.DataBind();
}
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button1_Click(object sender, EventArgs e)
{
//1
//strskypeuser = ListBox1.SelectedItem.Text;
//strskypeid = ListBox1.SelectedValue.ToString();
//2
//
strskypeuser = ListBox1.SelectedItem.Text;
strskypeid = ListBox1.SelectedValue.ToString();

this.TextBox2.Text = strskypeid;
SKYPE4COMLib.Skype oSkype = new SKYPE4COMLib.Skype();

if (!string.IsNullOrEmpty(strskypeid))
{

oSkype.SendMessage(strskypeid, strskypeuser + ":" + this.TextBox1.Text);
}
else
{
oSkype.SendMessage("ginhongzhao", strskypeuser + ":" + this.TextBox1.Text);
}
}
/// <summary>
/// 初始化物件，預設會抓本機的Skype帳號資訊
/// </summary>
private void BindSmartListBox()
{

SKYPE4COMLib.Skype oSkype = new SKYPE4COMLib.Skype();
UserCollection tFriends = oSkype.Friends;
ListItem li =null;
foreach (User tUser in oSkype.Friends)
{
if (tUser.FullName.Trim() != "")
{

li = new ListItem(tUser.FullName, tUser.Handle);
ListBox1.Items.Add(li);
}
else
{
li = new ListItem(tUser.Handle, tUser.Handle);
ListBox1.Items.Add(li);
}

}

}
/// <summary>
/// 初始化物件，預設會抓本機的Skype帳號資訊
/// </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() != "")
{

d.Rows.Add(tUser.Handle, tUser.FullName);
}
else
{
d.Rows.Add(tUser.Handle, tUser.Handle);
}

}

return d;
}
}
}