private void RefreshCourseList()
{
if (HttpCommunication.GetAllMyCourses(ProgramData.LoginId, out dynamic datas, out string msg))
{
listView_Courses.Items.Clear();
if (datas != null)
{
foreach (var data in datas)
{
listView_Courses.Items.Add(new ListViewItem(new string[] { data.op_type, data.op_code, data.cname, data.teacher }));
}
}
}
statusLabel.Text = msg;
btn_delSelection.Enabled = false;
}
private void timer_keepConnectAlive_Elapsed(object sender, EventArgs e)
{
if (ProgramData.LoginSuccess)
{
// If action not finish yet, do not block network source.
if (!(_timerLoopRegister.Enabled || _timerLoopSelect.Enabled))
{
if (!HttpCommunication.GetAllMyCourses(ProgramData.LoginId, out _, out _))
{
AddLog("已由伺服器端離線。");
LostConnect();
}
else
{
Debug.Print(DateTime.Now.ToLongTimeString() + " - Keep connection alive.");
}
}
}
}