/// <summary>
/// 连接服务器
/// </summary>
private void InterChatMenuItem_Click(object sender, EventArgs e)
{
lbOnlineUsers.Items.Clear();
LoginForm loginDlg = new LoginForm();
if (loginDlg.ShowDialog() == DialogResult.OK)
{
userName = loginDlg.txtUserName.Text;
loginDlg.Close();
}
txtChatContent.Focus();
Application.DoEvents();
InstanceContext site = new InstanceContext(this);//为实现服务实例的对象进行初始化
proxy = new ChatServiceClient(site);
IAsyncResult iar = proxy.BeginJoin(userName, new AsyncCallback(OnEndJoin), null);
wfDlg.ShowDialog();
}