private bool FireCollectionChangingEvent(NotifyCollectionChangeAction action, T item, int index)
{
EditActionAttribute.FireBeforeEventCall(this, false);
if (CollectionChanging != null)
{
if (EventSettings.EnableLogging)
{
eventsLog.DebugFormat(EditActionAttribute.BubbleIndent + "CollectionChanging L>> '{0}[{1}]', item:{2}, index:{3}, action:{4} - BEGIN >>>>>>>>>>>>>>", "EventedList", typeof(T).Name, item, index, action);
}
var args = new NotifyCollectionChangingEventArgs(action, item, index, -1);
try
{
CollectionChanging(this, args);
}
catch
{
EditActionAttribute.FireAfterEventCall(this, false, args.Cancel);
throw;
}
if (args.Cancel)
{
EditActionAttribute.FireAfterEventCall(this, false, args.Cancel);
}
return(!args.Cancel);
}
return(true);
}
protected static void FireBeforeEventCall(object sender, bool isPropertyChange)
{
EditActionAttribute.FireBeforeEventCall(sender, isPropertyChange);
}
