Added some disposed validation.

Author: Oren (electricessence)

source/ObjectPoolAutoTrimmer.cs

@@ -34,8 +34,6 @@ public ObjectPoolAutoTrimmer(
 			TimeSpan? trimDelay = null)
 		{
 			_pool = pool ?? throw new ArgumentNullException("pool");
-			if (pool is DisposableBase d)
-				d.BeforeDispose += Pool_BeforeDispose;
 
 			TrimmedSize = _trimmedSize = trimmedSize;
 			TrimDelay = _trimDelay = trimDelay ?? TimeSpan.FromMilliseconds(500);
@@ -45,6 +43,11 @@ public ObjectPoolAutoTrimmer(
 			pool.GivenTo += Target_GivenTo;
 			pool.TakenFrom += Target_TakenFrom;
 
+			if (pool is DisposableBase d)
+			{
+				if (d.IsDisposed) throw new ArgumentException("Cannot trim for an object pool that is already disposed.");
+				d.BeforeDispose += Pool_BeforeDispose;
+			}
 		}
 
 		protected virtual void Target_GivenTo(int newSize)

source/Recycler.cs

@@ -32,7 +32,11 @@ public Recycler(
 			});
 
 			if (target is DisposableBase d)
+			{
+				if (d.IsDisposed) throw new ArgumentException("Cannot recycle for an object pool that is already disposed.");
 				d.BeforeDispose += Pool_BeforeDispose;
+				// Could possibly dispose before this line somewhere... But that's just nasty. :P  
+			}
 		}
 
 		public Recycler(