void paletteWorker_DoOpenPalette(object sender, DoWorkEventArgs e)
{
try
{
IControlPalette p = e.Argument as IControlPalette;
if (p == null)
{
throw new ArgumentException("Argument to worker must be an IControlPalette");
}
p.Start();
e.Result = p;
}
catch (Exception ex)
{
e.Result = new object[] { ex, e.Argument };
}
}
private void StreamViewer_StartControl(object sender, SourceControlTypeEventArgs e)
{
StreamViewerControl svc = sender as StreamViewerControl;
if (svc == null)
{
return;
}
IControlPalette p = null;
switch (e.ControlType)
{
case SourceControlTypes.PTZ:
p = new PTZPalette();
break;
case SourceControlTypes.Microwave:
p = new MicrowavePalette();
break;
default:
return;
}
svc.Active = true;
p.StreamViewerControl = svc;
if (!PaletteWorker.IsBusy)
{
PaletteWorker.RunWorkerAsync(p);
}
else
{
FCMessageBox.Show("Please wait", "Another peripheral control is in the process of starting." + Environment.NewLine + "Please wait for it to finish.", this);
svc.ControlState[e.ControlType] = SourceControlTypeState.Inactive;
}
}
void paletteWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (this.InvokeRequired)
{
this.Invoke(new RunWorkerCompletedEventHandler(paletteWorker_RunWorkerCompleted), sender, e);
return;
}
try
{
if (e.Error != null)
{
throw e.Error;
}
IControlPalette p = e.Result as IControlPalette;
if (p != null)
{
CurrentPalette = p;
if (p.StreamViewerControl.FullScreen)
{
Stream_FullScreenClicked(p.StreamViewerControl, new EventArgs());
}
p.StreamViewerControl.Active = true;
p.Closed += new EventHandler <SourceControlTypeEventArgs>(StreamViewer_StopControl);
p.StreamViewerControl.ControlState[p.ControlType] = SourceControlTypeState.Active;
}
else
{
//try to unwind the error, but if it gets crazy, just throw it out
object[] errorResult = (object[])e.Result;
if (errorResult != null)
{
if (errorResult.Length == 2)
{
Exception error = (Exception)errorResult[0];
p = (IControlPalette)errorResult[1];
p.StreamViewerControl.ControlState[p.ControlType] = SourceControlTypeState.Inactive;
string msg = error.Message;
//get fault specific message if available
string fcMsg = (error.InnerException != null) ? error.InnerException.GetFaultInnerDetailMessage() : "";
if (!string.IsNullOrEmpty(fcMsg))
{
msg += Environment.NewLine + Environment.NewLine + fcMsg;
}
msg += Environment.NewLine + Environment.NewLine + "Message from:" + Environment.NewLine +
p.StreamViewerControl.CurrentConnection.GetDescription();
FCMessageBox.Show("Cannot access " + p.ControlType.ToString() + " control", msg, this);
ErrorLogger.DumpToDebug(error);
}
}
}
}
catch (Exception ex) //something terrible has happened...
{
FCMessageBox.Show("Cannot access control", ex.Message, this);
ErrorLogger.DumpToDebug(ex);
}
}
