public void Update()
{
lock (TestPage)
{
TestPage.Clear();
TestPage.AddEntry("<h1> Video content delivery test: </h1><br>");
TestPage.AddEntry("<br><iframe src=\"who.mp4\" width=\"100%\" height=\"300\" style=\"border:1px solid black;\">\r\n<br></iframe>");
TestPage.AddEntry($"<br><br>It is {DateTime.Now}.");
TestPage.AddEntry(
$"Thread pool threads: {ThreadPool.ThreadCount}, pending: {ThreadPool.PendingWorkItemCount}, completed: {ThreadPool.CompletedWorkItemCount}");
if (PoemIndex < _poem.Length)
{
TestPage.AddEntry(_poem[PoemIndex++]);
}
else
{
PoemIndex = 0;
}
}
}