_pruneCachedSwitches()

static void System.Diagnostics.Switch._pruneCachedSwitches ( )

inlinestaticprivateinherited

Definition at line 137 of file Switch.cs.

    {
        lock (s_switches)
        {
            if (s_LastCollectionCount == GC.CollectionCount(2))
            {
                return;
            }
            List<WeakReference<Switch>> list = new List<WeakReference<Switch>>(s_switches.Count);
            for (int i = 0; i < s_switches.Count; i++)
            {
                if (s_switches[i].TryGetTarget(out var _))
                {
                    list.Add(s_switches[i]);
                }
            }
            if (list.Count < s_switches.Count)
            {
                s_switches.Clear();
                s_switches.AddRange(list);
                s_switches.TrimExcess();
            }
            s_LastCollectionCount = GC.CollectionCount(2);
        }
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.Add(), System.GC.CollectionCount(), System.list, System.Diagnostics.Switch.s_LastCollectionCount, and System.Diagnostics.Switch.s_switches.

Referenced by System.Diagnostics.Switch.Switch(), and System.Diagnostics.Switch.RefreshAll().