// remove entries whose key (CVS) has been GC'd, and whose collection
// view is no longer in use. Return true if anything got removed,
// or if there are no entries left
internal bool Purge()
{
ArrayList al = new ArrayList();
foreach (DictionaryEntry de in this)
{
WeakRefKey key = (WeakRefKey)de.Key;
if (key.Target == null)
{
ViewRecord vr = (ViewRecord)de.Value;
CollectionView cv = vr.View as CollectionView;
if (cv != null)
{
if (!cv.IsInUse)
{
// tell the corresponding CollectionView to detach
cv.DetachFromSourceCollection();
al.Add(key); // mark this entry for removal
}
}
else
{
al.Add(key);
}
}
}
for (int k = 0; k < al.Count; ++k)
{
this.Remove(al[k]);
}
return(al.Count > 0 || this.Count == 0);
}
// Token: 0x060076E5 RID: 30437 RVA: 0x0021F950 File Offset: 0x0021DB50
internal bool Purge()
{
ArrayList arrayList = new ArrayList();
foreach (object obj in this)
{
DictionaryEntry dictionaryEntry = (DictionaryEntry)obj;
WeakRefKey weakRefKey = (WeakRefKey)dictionaryEntry.Key;
if (weakRefKey.Target == null)
{
ViewRecord viewRecord = (ViewRecord)dictionaryEntry.Value;
CollectionView collectionView = viewRecord.View as CollectionView;
if (collectionView != null)
{
if (!collectionView.IsInUse)
{
collectionView.DetachFromSourceCollection();
arrayList.Add(weakRefKey);
}
}
else
{
arrayList.Add(weakRefKey);
}
}
}
for (int i = 0; i < arrayList.Count; i++)
{
base.Remove(arrayList[i]);
}
return(arrayList.Count > 0 || base.Count == 0);
}