/// <summary>
/// Called when the application shutdowns.
/// </summary>
protected virtual void OnShutdown(ApplicationShutdownArgs e)
{
}
void OnShutdownCore(ApplicationShutdownReason reason)
{
#if !SILVERLIGHT
var canceled = false;
#endif
try
{
#if !SILVERLIGHT
if (reason == ApplicationShutdownReason.UserRequest && this.isBootCompleted)
{
//messaggio per notificare ed eventualmente cancellare
var msg = new ApplicationShutdownRequested(reason);
var broker = this.GetService <IMessageBroker>();
broker.Dispatch(this, msg);
canceled = msg.Cancel;
if (canceled)
{
broker.Broadcast(this, new ApplicationShutdownCanceled(reason));
return;
}
}
#endif
this.IsShuttingDown = true;
if (this.isBootCompleted)
{
this.GetService <IMessageBroker>().Broadcast(this, new ApplicationShutdown(reason));
var callbacks = this.ResolveAll <IExpectShutdownCallback>();
if (callbacks != null && callbacks.Any())
{
foreach (var cb in callbacks)
{
cb.OnShutdown(reason);
}
}
}
var args = new ApplicationShutdownArgs()
{
Reason = reason,
IsBootCompleted = this.isBootCompleted
};
this.OnShutdown(args);
if (this.shutdownHandler != null)
{
this.shutdownHandler(args);
}
if (this.isBootCompleted)
{
this.catalog.Dispose();
this.compositionContainer.Dispose();
if (this.serviceProvider is IDisposable)
{
(( IDisposable )this.serviceProvider).Dispose();
}
}
#if !SILVERLIGHT
if (this.mutex != null)
{
this.mutex.Dispose();
this.mutex = null;
}
#endif
}
finally
{
#if !SILVERLIGHT
if (!canceled && reason != ApplicationShutdownReason.ApplicationRequest)
{
Application.Current.Shutdown();
}
#endif
#if !SILVERLIGHT
if (!canceled)
{
this.catalog = null;
this.compositionContainer = null;
this.serviceProvider = null;
RegionService.CurrentService = null;
RegionService.Conventions = null;
}
#else
this.catalog = null;
this.compositionContainer = null;
this.serviceProvider = null;
RegionService.CurrentService = null;
RegionService.Conventions = null;
#endif
}
}
