Fix TreeFlattener.IndexOf (avoids crash when navigating or loading assemblies while a search filter is active)

15 years ago · 0ede3cf555
1 changed files with 1 additions and 1 deletions
--- a/SharpTreeView/TreeFlattener.cs
+++ b/SharpTreeView/TreeFlattener.cs
@ -81,7 +81,7 @@ namespace ICSharpCode.TreeView
 		public int IndexOf(object item)
 		{
 			SharpTreeNode node = item as SharpTreeNode;
-			if (node != null && node.GetListRoot() == root) {
+			if (node != null && node.IsVisible && node.GetListRoot() == root) {
 				if (includeRoot)
 					return SharpTreeNode.GetVisibleIndexForNode(node);
 				else