From 0dad4860c1f127f7891914f461b1594345d02df0 Mon Sep 17 00:00:00 2001
From: Ellpeck <me@ellpeck.de>
Date: Tue, 8 Jun 2021 00:29:51 +0200
Subject: [PATCH] dispose of the panel's render target

---
 MLEM.Ui/Elements/Panel.cs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/MLEM.Ui/Elements/Panel.cs b/MLEM.Ui/Elements/Panel.cs
index d5f0dcb..a9633fb 100644
--- a/MLEM.Ui/Elements/Panel.cs
+++ b/MLEM.Ui/Elements/Panel.cs
@@ -15,7 +15,7 @@ namespace MLEM.Ui.Elements {
     /// Additionally, a panel can be set to <see cref="scrollOverflow"/> on construction, which causes all elements that don't fit into the panel to be hidden until scrolled to using a <see cref="ScrollBar"/>.
     /// As this behavior is accomplished using a <see cref="RenderTarget2D"/>, scrolling panels need to have their <see cref="DrawEarly"/> methods called using <see cref="UiSystem.DrawEarly"/>.
     /// </summary>
-    public class Panel : Element {
+    public class Panel : Element, IDisposable {
 
         /// <summary>
         /// The texture that this panel should have, or null if it should be invisible.
@@ -76,6 +76,10 @@ namespace MLEM.Ui.Elements {
             }
         }
 
+        ~Panel() {
+            this.Dispose();
+        }
+
         /// <inheritdoc />
         public override void ForceUpdateArea() {
             if (this.scrollOverflow) {
@@ -231,5 +235,13 @@ namespace MLEM.Ui.Elements {
             }
         }
 
+        /// <inheritdoc />
+        public void Dispose() {
+            if (this.renderTarget != null) {
+                this.renderTarget.Dispose();
+                this.renderTarget = null;
+            }
+        }
+
     }
 }
\ No newline at end of file