private static void RemoveFreedObjects()
{
while (!finalExit)
{
List <WeakKeyedItem> list;
lock (collections) {
list = new List <WeakKeyedItem>(collections);
}
List <WeakKeyedItem> listToRemove = new List <WeakKeyedItem>();
foreach (WeakKeyedItem pointer in list)
{
WeakKeyedCollection collection = pointer.Target as WeakKeyedCollection;
if (collection == null)
{
listToRemove.Add(pointer);
continue;
}
foreach (WeakKeyedItem item in collection.dictionary.Keys)
{
if (item.Target == null)
{
WeakKeyedItem dummy;
collection.dictionary.TryRemove(item, out dummy);
}
}
}
if (listToRemove.Count > 0)
{
lock (collections) {
foreach (WeakKeyedItem item in listToRemove)
{
collections.Remove(item);
}
}
}
Thread.Sleep(1000);
}
}