From 9146d7f2bab1ecffa60c04b42e1e021b3fd43a81 Mon Sep 17 00:00:00 2001
From: Ellpeck <me@ellpeck.de>
Date: Sun, 7 Feb 2021 18:30:56 +0100
Subject: [PATCH] disallow removing the scroll bar from a panel

---
 MLEM.Ui/Elements/Panel.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/MLEM.Ui/Elements/Panel.cs b/MLEM.Ui/Elements/Panel.cs
index 4abaabd..9e60468 100644
--- a/MLEM.Ui/Elements/Panel.cs
+++ b/MLEM.Ui/Elements/Panel.cs
@@ -108,8 +108,11 @@ namespace MLEM.Ui.Elements {
         /// <inheritdoc />
         public override void ForceUpdateSortedChildren() {
             base.ForceUpdateSortedChildren();
-            if (this.scrollOverflow)
+            if (this.scrollOverflow) {
+                if (this.ScrollBar.Parent != this)
+                    throw new NotSupportedException("A panel that scrolls overflow cannot have its scroll bar removed from its list of children");
                 this.relevantChildrenDirty = true;
+            }
         }
 
         /// <inheritdoc />