protected override void OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
//Limito l'accesso da parte di altri Thread che vogliono modificare la collection
using (BlockReentrancy())
{
System.Collections.Specialized.NotifyCollectionChangedEventHandler eventHandler = CollectionChanged;
if (eventHandler == null)
{
return;
}
Delegate[] delegates = eventHandler.GetInvocationList();
// Walk thru invocation list
foreach (System.Collections.Specialized.NotifyCollectionChangedEventHandler handler in delegates)
{
DispatcherObject dispatcherObject = handler.Target as DispatcherObject;
// If the subscriber is a DispatcherObject and different thread
if (dispatcherObject != null && dispatcherObject.CheckAccess() == false)
{
// Invoke handler in the target dispatcher's thread
dispatcherObject.Dispatcher.Invoke(DispatcherPriority.DataBind, handler, this, e);
}
else // Execute handler as is
{
handler(this, e);
}
}
}
}
protected override void OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
// Be nice - use BlockReentrancy like MSDN said
using (BlockReentrancy())
{
System.Collections.Specialized.NotifyCollectionChangedEventHandler eventHandler = CollectionChanged;
if (eventHandler == null)
{
return;
}
Delegate[] delegates = eventHandler.GetInvocationList();
// Walk thru invocation list
foreach (System.Collections.Specialized.NotifyCollectionChangedEventHandler handler in delegates)
{
DispatcherObject dispatcherObject = handler.Target as DispatcherObject;
// If the subscriber is a DispatcherObject and different thread
if (dispatcherObject != null && dispatcherObject.CheckAccess() == false)
{
// Invoke handler in the target dispatcher's thread
dispatcherObject.Dispatcher.BeginInvoke(DispatcherPriority.DataBind, handler, this, e);
dispatcherObject.Dispatcher.UnhandledException += new DispatcherUnhandledExceptionEventHandler(DispatcherUnhandledException);
dispatcherObject.Dispatcher.UnhandledExceptionFilter += new DispatcherUnhandledExceptionFilterEventHandler(DispatcherUnhandledExceptionFilter);
}
else // Execute handler as is
{
handler(this, e);
}
}
}
}
protected override void OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
// Be nice - use BlockReentrancy like MSDN said
using (BlockReentrancy())
{
System.Collections.Specialized.NotifyCollectionChangedEventHandler eventHandler = CollectionChanged;
if (eventHandler == null)
{
return;
}
Delegate[] delegates = eventHandler.GetInvocationList();
// Walk thru invocation list
foreach (System.Collections.Specialized.NotifyCollectionChangedEventHandler handler in delegates)
{
DispatcherObject dispatcherObject = handler.Target as DispatcherObject;
// If the subscriber is a DispatcherObject and different thread
if (dispatcherObject != null)
{
// Invoke handler in the target dispatcher's thread
dispatcherObject.Dispatcher.Invoke(DispatcherPriority.DataBind, handler, this, e);
}
}
}
}
protected override void OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
using (BlockReentrancy()) {
System.Collections.Specialized.NotifyCollectionChangedEventHandler eventHandler = CollectionChanged;
if (eventHandler == null)
{
return;
}
Delegate[] delegates = eventHandler.GetInvocationList();
foreach (System.Collections.Specialized.NotifyCollectionChangedEventHandler handler in delegates)
{
DispatcherObject dispatcherObject = handler.Target as DispatcherObject;
if (dispatcherObject != null && !dispatcherObject.CheckAccess())
{
dispatcherObject.Dispatcher.Invoke(DispatcherPriority.DataBind, handler, this, e);
}
else
{
handler(this, e);
}
}
}
}
void FireCollectionChanged(object obj, System.Collections.Specialized.NotifyCollectionChangedEventArgs args)
{
if (CollectionChanged != null)
{
#if WINDOWS_PHONE
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(new System.Collections.Specialized.NotifyCollectionChangedEventHandler(SafeFireCollectionChanged), this, args);
#elif MONO
CollectionChanged(obj, args);
#else
System.Collections.Specialized.NotifyCollectionChangedEventHandler eventHandler = CollectionChanged;
if (eventHandler == null)
{
return;
}
Delegate[] delegates = eventHandler.GetInvocationList();
// Walk thru invocation list
foreach (System.Collections.Specialized.NotifyCollectionChangedEventHandler handler in delegates)
{
DispatcherObject dispatcherObject = handler.Target as DispatcherObject;
// If the subscriber is a DispatcherObject and different thread
if (dispatcherObject != null && dispatcherObject.CheckAccess() == false)
{
// Invoke handler in the target dispatcher's thread
dispatcherObject.Dispatcher.Invoke(DispatcherPriority.DataBind, handler, this, args);
}
else // Execute handler as is
{
handler(this, args);
}
}
//System.Windows.Threading.Dispatcher.CurrentDispatcher.BeginInvoke(new System.Collections.Specialized.NotifyCollectionChangedEventHandler(SafeFireCollectionChanged),
// this, args);
#endif
}
}