private void ExecuteOnCollectionChanged(IEnumerable <T> collection, ProcessRangeAction state)
{
if (BeforeCollectionChanged == null)
{
return;
}
BeforeCollectionChanged(collection, state);
}
protected virtual void ProcessRange(IEnumerable <T> collection, ProcessRangeAction action)
{
lock (_lockObj)
{
try
{
if (collection == null)
{
throw new ArgumentNullException("collection");
}
var items = collection as IList <T> ?? collection.ToList();
if (!items.Any())
{
return;
}
CheckReentrancy();
if (action == ProcessRangeAction.Replace)
{
Items.Clear();
}
foreach (var item in items)
{
if (action == ProcessRangeAction.Remove)
{
Items.Remove(item);
}
else
{
Items.Add(item);
}
}
OnPropertyChanged(new PropertyChangedEventArgs(CountString));
OnPropertyChanged(new PropertyChangedEventArgs(IndexerName));
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
catch { }
}
}
protected virtual void ProcessRange(IEnumerable <T> collection, ProcessRangeAction action)
{
if (collection == null)
{
throw new ArgumentNullException("collection");
}
var items = collection as IList <T> ?? collection.ToList();
if (!items.Any())
{
return;
}
ExecuteOnCollectionChanged(collection, action);
this.CheckReentrancy();
if (action == ProcessRangeAction.Replace)
{
this.Items.Clear();
}
foreach (var item in items)
{
if (action == ProcessRangeAction.Remove)
{
this.Items.Remove(item);
}
else
{
this.Items.Add(item);
}
}
//if (action == ProcessRangeAction.Remove) { }
//else
// (this.Items as List<T>).AddRange(items);
this.OnPropertyChanged(new PropertyChangedEventArgs(CountString));
this.OnPropertyChanged(new PropertyChangedEventArgs(IndexerName));
this.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
protected virtual void ProcessRange(IEnumerable <T> collection, ProcessRangeAction action)
{
if (collection == null)
{
throw new ArgumentNullException("collection");
}
var items = collection as IList <T> ?? collection.ToList();
if (!items.Any())
{
return;
}
CheckReentrancy();
m_IsInProcessRange = true;
if (action == ProcessRangeAction.Replace)
{
Items.Clear();
}
foreach (var item in items)
{
if (action == ProcessRangeAction.Remove)
{
Items.Remove(item);
}
else
{
Items.Add(item);
}
}
m_IsInProcessRange = false;
OnPropertyChanged(new PropertyChangedEventArgs(COUNT_STRING));
OnPropertyChanged(new PropertyChangedEventArgs(INDEXER_NAME));
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}