From 3d66a068278b1e1eb4efe61d7ef55b79cc38e3cd Mon Sep 17 00:00:00 2001
From: Michael Becker <alcexhim@gmail.com>
Date: Sun, 20 Sep 2020 00:39:56 -0400
Subject: [PATCH] clear document explorer panel when editor is null

---
 Libraries/UniversalEditor.UserInterface/MainWindow.cs          | 2 +-
 .../Panels/DocumentExplorerPanel.cs                            | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Libraries/UniversalEditor.UserInterface/MainWindow.cs b/Libraries/UniversalEditor.UserInterface/MainWindow.cs
index d1a2a96f..871a5f12 100644
--- a/Libraries/UniversalEditor.UserInterface/MainWindow.cs
+++ b/Libraries/UniversalEditor.UserInterface/MainWindow.cs
@@ -370,7 +370,6 @@ namespace UniversalEditor.UserInterface
 						row.SetExtraData<ToolboxItem>("item", er.Toolbox.Items[i]);
 						tmToolbox.Rows.Add(row);
 					}
-					pnlDocumentExplorer.CurrentEditor = editor;
 					DocumentFileName = dckContainer.CurrentItem.Name;
 				}
 				else
@@ -378,6 +377,7 @@ namespace UniversalEditor.UserInterface
 					DocumentFileName = null;
 					tmToolbox.Rows.Clear();
 				}
+				pnlDocumentExplorer.CurrentEditor = editor;
 			}
 			_prevEditor = editor;
 		}
diff --git a/Libraries/UniversalEditor.UserInterface/Panels/DocumentExplorerPanel.cs b/Libraries/UniversalEditor.UserInterface/Panels/DocumentExplorerPanel.cs
index 6d609f0c..f1e05f45 100644
--- a/Libraries/UniversalEditor.UserInterface/Panels/DocumentExplorerPanel.cs
+++ b/Libraries/UniversalEditor.UserInterface/Panels/DocumentExplorerPanel.cs
@@ -79,6 +79,9 @@ namespace UniversalEditor.UserInterface.Panels
 		{
 			tm.Rows.Clear();
 
+			if (CurrentEditor == null)
+				return;
+
 			TreeModelRow rowDocument = new TreeModelRow(new TreeModelRowColumn[]
 			{
 				new TreeModelRowColumn(tm.Columns[0], CurrentEditor.Title)