public void RemoveEventHandler(T handler)
{
if ((object)handler == null)
{
return;
}
lock (this.m_tokens)
{
EventRegistrationToken local_2 = EventRegistrationTokenTable <T> .GetPreferredToken(handler);
T local_3;
if (this.m_tokens.TryGetValue(local_2, out local_3) && (object)local_3 == (object)handler)
{
this.RemoveEventHandlerNoLock(local_2);
}
else
{
foreach (KeyValuePair <EventRegistrationToken, T> item_0 in this.m_tokens)
{
if ((object)item_0.Value == (object)handler)
{
this.RemoveEventHandlerNoLock(item_0.Key);
break;
}
}
}
}
}
public void RemoveEventHandler(T handler)
{
if (handler == null)
{
return;
}
Dictionary <EventRegistrationToken, T> tokens = this.m_tokens;
lock (tokens)
{
EventRegistrationToken preferredToken = EventRegistrationTokenTable <T> .GetPreferredToken(handler);
T t;
if (this.m_tokens.TryGetValue(preferredToken, out t) && t == handler)
{
this.RemoveEventHandlerNoLock(preferredToken);
}
else
{
foreach (KeyValuePair <EventRegistrationToken, T> keyValuePair in this.m_tokens)
{
if (keyValuePair.Value == (T)((object)handler))
{
this.RemoveEventHandlerNoLock(keyValuePair.Key);
break;
}
}
}
}
}
// void PropertyChanged.remove(EventRegistrationToken token)
private void remove_CanExecuteChanged(EventRegistrationToken token)
{
ICommand _this = Unsafe.As <ICommand>(this);
EventRegistrationTokenTable <EventHandler> table = s_weakTable.GetOrCreateValue(_this);
if (table.RemoveEventHandler(token, out EventHandler handler))
{
_this.CanExecuteChanged -= handler;
}
}
// void PropertyChanged.remove(EventRegistrationToken token)
internal void remove_PropertyChanged(EventRegistrationToken token)
{
INotifyPropertyChanged _this = Unsafe.As <INotifyPropertyChanged>(this);
EventRegistrationTokenTable <PropertyChangedEventHandler> table = s_weakTable.GetOrCreateValue(_this);
if (table.RemoveEventHandler(token, out PropertyChangedEventHandler handler))
{
_this.PropertyChanged -= handler;
}
}
// EventRegistrationToken PropertyChanged.add(PropertyChangedEventHandler value)
internal EventRegistrationToken add_PropertyChanged(PropertyChangedEventHandler value)
{
INotifyPropertyChanged _this = Unsafe.As<INotifyPropertyChanged>(this);
EventRegistrationTokenTable<PropertyChangedEventHandler> table = s_weakTable.GetOrCreateValue(_this);
EventRegistrationToken token = table.AddEventHandler(value);
_this.PropertyChanged += value;
return token;
}
internal EventRegistrationToken add_CollectionChanged(NotifyCollectionChangedEventHandler value)
{
INotifyCollectionChanged _this = JitHelpers.UnsafeCast <INotifyCollectionChanged>(this);
EventRegistrationTokenTable <NotifyCollectionChangedEventHandler> table = m_weakTable.GetOrCreateValue(_this);
EventRegistrationToken token = table.AddEventHandler(value);
_this.CollectionChanged += value;
return(token);
}
// EventRegistrationToken PropertyChanged.add(EventHandler<object> value)
private EventRegistrationToken add_CanExecuteChanged(EventHandler<object> value)
{
ICommand _this = Unsafe.As<ICommand>(this);
EventRegistrationTokenTable<EventHandler> table = s_weakTable.GetOrCreateValue(_this);
EventHandler handler = ICommandAdapterHelpers.CreateWrapperHandler(value);
EventRegistrationToken token = table.AddEventHandler(handler);
_this.CanExecuteChanged += handler;
return token;
}
// void PropertyChanged.remove(EventRegistrationToken token)
private void remove_CanExecuteChanged(EventRegistrationToken token)
{
ICommand _this = JitHelpers.UnsafeCast <ICommand>(this);
EventRegistrationTokenTable <EventHandler> table = m_weakTable.GetOrCreateValue(_this);
EventHandler handler = table.ExtractHandler(token);
if (handler != null)
{
_this.CanExecuteChanged -= handler;
}
}
internal void remove_PropertyChanged(EventRegistrationToken token)
{
INotifyPropertyChanged _this = JitHelpers.UnsafeCast <INotifyPropertyChanged>(this);
EventRegistrationTokenTable <PropertyChangedEventHandler> table = m_weakTable.GetOrCreateValue(_this);
PropertyChangedEventHandler handler = table.ExtractHandler(token);
if (handler != null)
{
_this.PropertyChanged -= handler;
}
}
// void CollectionChanged.remove(EventRegistrationToken token)
internal void remove_CollectionChanged(EventRegistrationToken token)
{
INotifyCollectionChanged _this = Unsafe.As <INotifyCollectionChanged>(this);
EventRegistrationTokenTable <NotifyCollectionChangedEventHandler> table = s_weakTable.GetOrCreateValue(_this);
NotifyCollectionChangedEventHandler handler = table.ExtractHandler(token);
if (handler != null)
{
_this.CollectionChanged -= handler;
}
}
private EventRegistrationToken AddEventHandlerNoLock(T handler)
{
EventRegistrationToken key = EventRegistrationTokenTable <T> .GetPreferredToken(handler);
while (this.m_tokens.ContainsKey(key))
{
key = new EventRegistrationToken(key.Value + 1UL);
}
this.m_tokens[key] = handler;
this.m_invokeList = (T)Delegate.Combine((Delegate)(object)this.m_invokeList, (Delegate)(object)handler);
return(key);
}
// Token: 0x0600635E RID: 25438 RVA: 0x00151CD4 File Offset: 0x0014FED4
private EventRegistrationToken AddEventHandlerNoLock(T handler)
{
EventRegistrationToken preferredToken = EventRegistrationTokenTable <T> .GetPreferredToken(handler);
while (this.m_tokens.ContainsKey(preferredToken))
{
preferredToken = new EventRegistrationToken(preferredToken.Value + 1UL);
}
this.m_tokens[preferredToken] = handler;
Delegate @delegate = (Delegate)((object)this.m_invokeList);
@delegate = Delegate.Combine(@delegate, (Delegate)((object)handler));
this.m_invokeList = (T)((object)@delegate);
return(preferredToken);
}
public static EventRegistrationTokenTable <T> GetOrCreateEventRegistrationTokenTable(ref EventRegistrationTokenTable <T> refEventTable)
{
if (refEventTable == null)
{
Interlocked.CompareExchange <EventRegistrationTokenTable <T> >(ref refEventTable, new EventRegistrationTokenTable <T>(), null);
}
return(refEventTable);
}
public static EventRegistrationTokenTable <T> GetOrCreateEventRegistrationTokenTable(ref EventRegistrationTokenTable <T>?refEventTable)
{
if (refEventTable == null)
{
Interlocked.CompareExchange(ref refEventTable, new EventRegistrationTokenTable <T>(), null);
}
return(refEventTable !); // TODO-NULLABLE: Remove ! when compiler specially-recognizes CompareExchange for nullability
}
public static EventRegistrationTokenTable <T> GetOrCreateEventRegistrationTokenTable(ref EventRegistrationTokenTable <T>?refEventTable)
{
if (refEventTable == null)
{
Interlocked.CompareExchange(ref refEventTable, new EventRegistrationTokenTable <T>(), null);
}
return(refEventTable !); // TODO-NULLABLE: https://github.com/dotnet/roslyn/issues/26761
}
public static EventRegistrationTokenTable <T> GetOrCreateEventRegistrationTokenTable(ref EventRegistrationTokenTable <T> refEventTable)
{
throw new NotImplementedException();
}