From 17302345ecfd05385c9940db216cf0f387406bdb Mon Sep 17 00:00:00 2001
From: Siegfried Pammer <siegfriedpammer@gmail.com>
Date: Tue, 19 Nov 2024 00:59:24 +0100
Subject: [PATCH] Fix #3332: Re-apply filter to all descendants.

---
 ILSpy/TreeNodes/ILSpyTreeNode.cs | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/ILSpy/TreeNodes/ILSpyTreeNode.cs b/ILSpy/TreeNodes/ILSpyTreeNode.cs
index a912aec9d2..413aedb044 100644
--- a/ILSpy/TreeNodes/ILSpyTreeNode.cs
+++ b/ILSpy/TreeNodes/ILSpyTreeNode.cs
@@ -29,8 +29,8 @@
 using ICSharpCode.ILSpy.AssemblyTree;
 using ICSharpCode.ILSpy.Docking;
 using ICSharpCode.ILSpyX.Abstractions;
-using ICSharpCode.ILSpyX.TreeView.PlatformAbstractions;
 using ICSharpCode.ILSpyX.TreeView;
+using ICSharpCode.ILSpyX.TreeView.PlatformAbstractions;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
@@ -130,9 +130,6 @@ void ApplyFilterToChild(ILSpyTreeNode child)
 					child.IsHidden = false;
 					break;
 				case FilterResult.Recurse:
-					child.EnsureChildrenFiltered();
-					child.IsHidden = child.Children.All(c => c.IsHidden);
-					break;
 				case FilterResult.MatchAndRecurse:
 					child.EnsureChildrenFiltered();
 					child.IsHidden = child.Children.All(c => c.IsHidden);
@@ -161,16 +158,12 @@ protected virtual void Settings_Changed(object sender, PropertyChangedEventArgs
 			}
 		}
 
-
 		internal void EnsureChildrenFiltered()
 		{
 			EnsureLazyChildren();
-			if (childrenNeedFiltering)
-			{
-				childrenNeedFiltering = false;
-				foreach (ILSpyTreeNode node in this.Children.OfType<ILSpyTreeNode>())
-					ApplyFilterToChild(node);
-			}
+			childrenNeedFiltering = false;
+			foreach (ILSpyTreeNode node in this.Children.OfType<ILSpyTreeNode>())
+				ApplyFilterToChild(node);
 		}
 
 		protected string GetSuffixString(IMember member) => GetSuffixString(member.MetadataToken);