From a85653ebec2607ca2675a1b106ebcd814c75fa66 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Tue, 17 Dec 2019 12:24:59 +0900
Subject: [PATCH] Add comment

---
 osu.Game/Graphics/Containers/OsuScrollContainer.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/osu.Game/Graphics/Containers/OsuScrollContainer.cs b/osu.Game/Graphics/Containers/OsuScrollContainer.cs
index df4c3a3324..ab72276ad0 100644
--- a/osu.Game/Graphics/Containers/OsuScrollContainer.cs
+++ b/osu.Game/Graphics/Containers/OsuScrollContainer.cs
@@ -85,6 +85,8 @@ namespace osu.Game.Graphics.Containers
 
         protected override bool OnScroll(ScrollEvent e)
         {
+            // allow for controlling volume when alt is held.
+            // mostly for compatibility with osu-stable.
             if (e.AltPressed) return false;
 
             return base.OnScroll(e);