private void DoWork_Handler(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
ControllerReply rpl;
RemoteControllerLink _ctrl = (RemoteControllerLink)e.Argument;
while (true)
{
lock (_ctrl)
{
rpl = _ctrl.HeartbeatPoll();
if (rpl.status == ControllerReply.Status.SUCCESS)
{
byte id = _ctrl.Ssr.signStatusEntry[0].frameId;
if (id != 0 && _ctrl.Frames[id] == null)
{
rpl = _ctrl.SignRequestStoredFrm(id);
}
if (rpl.status == ControllerReply.Status.SUCCESS)
{
worker.ReportProgress(id);
}
}
}
for (int i = 0; i < 10; i++)
{
if (worker.CancellationPending)
{
return;
}
Thread.Sleep(100);
}
}
}
private void btnFrmGetFromCtrller_Click(object sender, RoutedEventArgs e)
{
try
{
byte frmId = 1;
if (!byte.TryParse(tbFrmFrameId.Text, out frmId) || frmId == 0)
{
throw new Exception("Illegal Frame ID");
}
RemoteControllerLink ctrl = remoteConctrollerLinks[parameters.ControllerID];
ControllerReply rpl;
rpl = ctrl.SignRequestStoredFrm(frmId);
if (rpl.status != ControllerReply.Status.SUCCESS)
{
throw new Exception(rpl.status.ToString());
}
if ((ctrl.Frames[frmId] is SignSetTextFrame))
{
LoadFrame((ctrl.Frames[frmId] as SignSetTextFrame));
return;
}
else if ((ctrl.Frames[frmId] is SignSetGraphicsFrame))
{
LoadFrame((ctrl.Frames[frmId] as SignSetGraphicsFrame));
}
else if ((ctrl.Frames[frmId] is SignSetHighResolutionGraphicsFrame))
{
LoadFrame((ctrl.Frames[frmId] as SignSetHighResolutionGraphicsFrame));
return;
}
else
{
throw new Exception("Illegal frame type from controller");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}