Index: src/Common/DelftTools.Controls.Swf/TreeViewControls/TreeNode.cs
===================================================================
diff -u -r56d416743ac3bd71dc1b9b59c7f65d988e685f24 -r5d22208f367db54db741081f5d671c0ecf5a38b4
--- src/Common/DelftTools.Controls.Swf/TreeViewControls/TreeNode.cs	(.../TreeNode.cs)	(revision 56d416743ac3bd71dc1b9b59c7f65d988e685f24)
+++ src/Common/DelftTools.Controls.Swf/TreeViewControls/TreeNode.cs	(.../TreeNode.cs)	(revision 5d22208f367db54db741081f5d671c0ecf5a38b4)
@@ -10,10 +10,10 @@
     {
         private readonly TreeNodeList nodes;
         private readonly ITreeView treeView;
-        private readonly int maximumTextLength = 1000; // having very big strings causes problems by tree-view
         protected bool isLoaded;
         private object tag;
         private IObservable observable;
+        private readonly int maximumTextLength = 1000; // Having very big strings causes problems by tree-view
 
         public TreeNode(ITreeView treeView)
         {
@@ -61,6 +61,13 @@
                     return;
                 }
 
+                if (string.IsNullOrEmpty(value))
+                {
+                    base.Text = "";
+
+                    return;
+                }
+
                 base.Text = value.Length > maximumTextLength ? value.Substring(0, maximumTextLength) : value;
             }
         }