/// <summary>
/// Attempt to load the controller with the current settings,
/// showing the settings dialog if can't load
/// </summary>
private void TryLoadController()
{
try
{
LoadController();
}
catch (ControllerConnectionException cex)
{
Exception ex = cex;
// Show the settings dialog if an exception occurrs,
// to allow the user to re-configure if necessary.
while (true)
{
var fm = new SettingsWindow();
var result = ExceptionDialog.ShowException("Could not connect to the device. Check application settings and try again", ex, ExceptionSeverity.Warning);
// Ignore
if (result == ExceptionDialog.ModalResult.Ignore)
{
break; // Just start the application
}
bool?_ok = fm.ShowDialog();
bool ok = (_ok.HasValue && _ok.Value);
// Cancel, exit application
if (!ok)
{
Shutdown(1);
return;
}
// If settings have changed, we'll need to re-load the controller
try
{
LoadController();
break; // Settings are now valid, don't loop
}
catch (Exception _ex)
{
ex = _ex; // For next iteration of the loop
}
}
}
}
/// <summary>
/// Try and load all engines present
/// </summary>
private void LoadEngines(ControlWindow controlWindow)
{
var engineTypes = Engines.ListEngines();
// Load engines & populate tabs
foreach (var engineType in engineTypes)
{
string name = Engines.GetEngineName(engineType);
// Try to load the engine
HexEngine engine = null;
UserControl page = null;
try
{
engine = Engines.LoadEngine(engineType);
page = engine.GetControlPage();
}
catch (NotImplementedException)
{
continue;
}
catch (Exception ex)
{
string assyName = Plugins.GetAssemblyName(engineType);
if (assyName != null)
{
name += " (" + assyName + ")";
}
ExceptionDialog.ShowException(String.Format("Could not load {0}", name), ex, ExceptionSeverity.Error);
continue; // Ignore was pressed
}
// Add tab & page to the control window
controlWindow.AddEngine(name, page, engine);
}
}
void Dispatcher_UnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
{
try
{
Exception outer_ex = e.Exception;
Exception ex = e.Exception;
// If exception occurred in another thread
if (e.Exception is System.Reflection.TargetInvocationException && e.Exception.InnerException != null)
{
ex = e.Exception.InnerException;
outer_ex = e.Exception.InnerException;
}
if (ex is TimerException)
{
ex = ex.InnerException;
}
ExceptionDialog.ShowException(null, ex, ExceptionSeverity.Unhandled);
// Re-enable timer if Ignoring the exception
if (outer_ex is TimerException && (outer_ex as TimerException).Timer.Enabled == false)
{
(outer_ex as TimerException).Timer.Start();
connectTimer.Start();
}
e.Handled = true;
}
catch (Exception)
{
// Fail-safe
Shutdown(1);
return;
}
}