prevent RegisterForLayouting when parent is null, and dequeue LQI when parent of GO is null

1 files changed, 7 insertions, 9 deletions

diff --git a/src/LayoutingQueueItem.cs b/src/LayoutingQueueItem.cs
index d5ad7fcc..ef787d35 100644
--- a/src/LayoutingQueueItem.cs
+++ b/src/LayoutingQueueItem.cs
@@ -55,16 +55,14 @@ namespace Crow
 			Debug.WriteLine ("Layouting => " + this.ToString ());
 			#endif
 
-			try {
-				if (GraphicObject.Parent == null){
-					Debug.WriteLine("ERROR: processLayouting, no parent for: " + GraphicObject.ToString());
-					return;
-				}
-				if (!GraphicObject.UpdateLayout (LayoutType))
-					Interface.LayoutingQueue.Enqueue(this);
-			} catch (Exception ex) {
-				Debug.WriteLine ("Layouting error: " + ex.ToString ());
+			if (GraphicObject.Parent == null) {
+				//cancel layouting for object without parent, maybe some were in queue when
+				//removed from a listbox
+				Debug.WriteLine ("ERROR: processLayouting, no parent for: " + this.ToString ());
+				return;
 			}
+			if (!GraphicObject.UpdateLayout (LayoutType))
+				Interface.LayoutingQueue.Enqueue(this);
 		}
 
 		public static implicit operator GraphicObject(LayoutingQueueItem queueItem)