From 22c5735adaf6804ca7de09a2ae9fea5b62b825cb Mon Sep 17 00:00:00 2001
From: tom-englert <thomas.englert@avl.com>
Date: Mon, 23 Sep 2024 09:58:21 +0200
Subject: [PATCH] Fix #3284: AssemblyTree title is wrong

---
 ILSpy/AssemblyTree/AssemblyTreeModel.cs | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/ILSpy/AssemblyTree/AssemblyTreeModel.cs b/ILSpy/AssemblyTree/AssemblyTreeModel.cs
index fbf01343b..3fba90aea 100644
--- a/ILSpy/AssemblyTree/AssemblyTreeModel.cs
+++ b/ILSpy/AssemblyTree/AssemblyTreeModel.cs
@@ -418,17 +418,22 @@ namespace ICSharpCode.ILSpy.AssemblyTree
 
 			Root = assemblyListTreeNode;
 
+			var mainWindow = Application.Current?.MainWindow;
+
+			if (mainWindow == null)
+				return;
+
 			if (assemblyList.ListName == AssemblyListManager.DefaultListName)
 #if DEBUG
-				this.Title = $"ILSpy {DecompilerVersionInfo.FullVersion}";
+				mainWindow.Title = $"ILSpy {DecompilerVersionInfo.FullVersion}";
 #else
-				this.Title = "ILSpy";
+				mainWindow.Title = "ILSpy";
 #endif
 			else
 #if DEBUG
-				this.Title = $"ILSpy {DecompilerVersionInfo.FullVersion} - " + assemblyList.ListName;
+				mainWindow.Title = $"ILSpy {DecompilerVersionInfo.FullVersion} - " + assemblyList.ListName;
 #else
-				this.Title = "ILSpy - " + assemblyList.ListName;
+				mainWindow.Title = "ILSpy - " + assemblyList.ListName;
 #endif
 		}