} // btn_group_Click
/// <summary>
/// 单击添加好友
/// </summary>
/// <param name="sender">the sender</param>
/// <param name="e">the e</param>
private void btn_addFrd_Click(object sender, EventArgs e)
{
W_AddFrd addFrd = new W_AddFrd(userName);
if (addFrd.ShowDialog() == DialogResult.OK)
{
// 刷新好友列表
pnl_userList.Controls.Clear();
IMSLogStateChangeClient getUserList = new IMSLogStateChangeClient(); // 引用的网络服务（本地）
userList = getUserList.getFrdList(userName);
UIHandler.AddButton(userName, pnl_userList, userList);
} // if
} // btn_addFrd_Click
/// <summary>
/// Initializes a new instance of the W_Main class
/// </summary>
/// <param name="userName">current userName</param>
/// <param name="userPwd">password of currentUser</param>
public W_Main(string userName, string userPwd)
{
InitializeComponent();
this.userName = userName;
this.userPwd = userPwd;
lbl_userName.Text = userName;
IMSLogStateChangeClient getUserList = new IMSLogStateChangeClient();
userList = getUserList.getFrdList(userName);
//根据用户列表添加按钮
UIHandler.AddButton(userName, pnl_userList, userList);
} // W_Main