private async Task GetWave(int i)
{
try
{
ClassroomData classroomData = new ClassroomData(list[i].PPCPublicIP, list[i].PPCPort);
string xml = await classroomData.GetAudioData(null, null, list[i].ClassroomID, null, null);
byte[] bytes = await classroomData.GetBinary(xml);
Stream t = new FileStream("video.wav", FileMode.Create);
BinaryWriter b = new BinaryWriter(t);
b.Write(bytes);
t.Close();
}
catch (Exception)
{
throw;
}
}
private Task UpdatePictureBox(PictureBox p, Label label, Panel panel, string value, int i)
{
CancellationTokenSource tokenSource = (CancellationTokenSource)panel.Tag;
return(Task.Run(async() =>
{
while (true)
{
if (tokenSource.Token.IsCancellationRequested)
{
break;
}
try
{
ClassroomData data = new ClassroomData(list[i].PPCPublicIP, list[i].PPCPort);
string xml = await data.GetImageString(null, null, list[i].ClassroomID, null, null, int.Parse(value));
byte[] bytes = await data.GetBinary(xml);
using (MemoryStream loadStream = new MemoryStream(bytes, 0, bytes.Length))
{
Action action = () => { p.Image = Image.FromStream(loadStream); };
p.SafeInvoke(action, true);
Thread.Sleep(2000);
}
}
catch (Exception ex)
{
Action action = () => { label.Text = ex.Message; label.BackColor = Color.Red; };
label.SafeInvoke(action, true);
}
finally
{
p.Image = null;
}
}
}, tokenSource.Token));
}
