private async Task AsyncOnViewModelWindowsListChanged(AsyncListChangedEventHandler <ChatWindowViewModel> ea)
{
switch (ea.ChangedEventArgs.ListChangedType)
{
case ListChangedType.ItemAdded:
{
await UiWindow.Window.UIThreadAsync(() =>
{
ChatWindowViewModel newElem = ea.ChangedElemnt;
var reslut = _TataruUIModel.ChatWindows.FirstOrDefault(x => x.WinId == newElem.WinId);
if (reslut == null)
{
var sett = newElem.GetSettings();
_TataruUIModel.ChatWindows.Add(sett);
var binder = new PropertyBinder(_TataruUIModel.ChatWindows[_TataruUIModel.ChatWindows.Count - 1], newElem);
CreateBinderCouples(binder);
_PropertyBinders.Add(binder);
}
});
}
break;
case ListChangedType.ItemDeleted:
{
await Task.Run(() =>
{
SpinWait.SpinUntil(() => !deletingObject);
lock (lockObj)
{
deletingObject = true;
}
});
await UiWindow.Window.UIThreadAsync(() =>
{
try
{
ChatWindowViewModel deletedElem = ea.ChangedElemnt;
ChatWindowViewModelSettings reslut = _TataruUIModel.ChatWindows.FirstOrDefault(x => x.WinId == deletedElem.WinId);
if (reslut != null)
{
_TataruUIModel.ChatWindows.Remove(reslut);
RemoveChatWindow(_ChatWindows, reslut.WinId);
try
{
PropertyBinder binder = _PropertyBinders.FirstOrDefault(x => x.Object1 == reslut && x.Object2 == deletedElem);
if (binder == null)
{
binder = _PropertyBinders.FirstOrDefault(x => x.Object2 == reslut && x.Object1 == deletedElem);
}
if (binder != null)
{
binder.Stop();
_PropertyBinders.Remove(binder);
}
}
catch (Exception e)
{
Logger.WriteLog(e);
}
}
}
catch (Exception e)
{
Logger.WriteLog(e);
}
});
deletingObject = false;
}
break;
}
}