From 881b365d908140872a252b338ecbc3516a6d926d Mon Sep 17 00:00:00 2001
From: g3gg0 <git@g3gg0.de>
Date: Sun, 2 Oct 2022 14:12:14 +0200
Subject: [PATCH] reduce flickering on ListView updates

---
 TeddyBench/Extensions.cs | 20 ++++++++++++++++++++
 TeddyBench/TeddyMain.cs  |  1 +
 2 files changed, 21 insertions(+)
 create mode 100644 TeddyBench/Extensions.cs

diff --git a/TeddyBench/Extensions.cs b/TeddyBench/Extensions.cs
new file mode 100644
index 0000000..017be59
--- /dev/null
+++ b/TeddyBench/Extensions.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace TeddyBench
+{
+    public static class Extensions
+    {
+        public static void DoubleBuffered(this Control control, bool enable)
+        {
+            var doubleBufferPropertyInfo = control.GetType().GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
+            doubleBufferPropertyInfo.SetValue(control, enable, null);
+        }
+
+    }
+}
diff --git a/TeddyBench/TeddyMain.cs b/TeddyBench/TeddyMain.cs
index f19ba3b..2ec8a89 100644
--- a/TeddyBench/TeddyMain.cs
+++ b/TeddyBench/TeddyMain.cs
@@ -202,6 +202,7 @@ public TeddyMain()
             lstTonies.LargeImageList.Images.Add("unknown", ResizeImage(Resources.unknown, 128, 128));
             lstTonies.LargeImageList.Images.Add("custom", ResizeImage(Resources.custom, 128, 128));
             lstTonies.ListViewItemSorter = new ListViewItemComparer(2);
+            lstTonies.DoubleBuffered(true);
             cmbSorting.SelectedIndex = 2;
             Text = TitleString;