Move section update code to abstract method to avoid incorrect BindValue usage

osu.Game/Screens/Edit/Timing/DifficultySection.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Graphics.Sprites;
 
@@ -20,11 +21,9 @@ namespace osu.Game.Screens.Edit.Timing
             });
         }
 
-        protected override void LoadComplete()
+        protected override void OnControlPointChanged(ValueChangedEvent<DifficultyControlPoint> point)
         {
-            base.LoadComplete();
+            multiplier.Text = $"Multiplier: {point.NewValue?.SpeedMultiplier:0.##}x";
-
-            ControlPoint.BindValueChanged(point => { multiplier.Text = $"Multiplier: {point.NewValue?.SpeedMultiplier:0.##}x"; });
         }
 
         protected override DifficultyControlPoint CreatePoint()

osu.Game/Screens/Edit/Timing/EffectSection.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Graphics.Sprites;
 
@@ -22,15 +23,10 @@ namespace osu.Game.Screens.Edit.Timing
             });
         }
 
-        protected override void LoadComplete()
+        protected override void OnControlPointChanged(ValueChangedEvent<EffectControlPoint> point)
-        {
-            base.LoadComplete();
-
-            ControlPoint.BindValueChanged(point =>
         {
             kiai.Text = $"Kiai: {(point.NewValue?.KiaiMode == true ? "on" : "off")}";
             omitBarLine.Text = $"Skip Bar Line: {(point.NewValue?.OmitFirstBarLine == true ? "on" : "off")}";
-            });
         }
 
         protected override EffectControlPoint CreatePoint()

osu.Game/Screens/Edit/Timing/SampleSection.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Graphics.Sprites;
 
@@ -22,15 +23,10 @@ namespace osu.Game.Screens.Edit.Timing
             });
         }
 
-        protected override void LoadComplete()
+        protected override void OnControlPointChanged(ValueChangedEvent<SampleControlPoint> point)
-        {
-            base.LoadComplete();
-
-            ControlPoint.BindValueChanged(point =>
         {
             bank.Text = $"Bank: {point.NewValue?.SampleBank}";
             volume.Text = $"Volume: {point.NewValue?.SampleVolume}%";
-            });
         }
 
         protected override SampleControlPoint CreatePoint()

osu.Game/Screens/Edit/Timing/Section.cs

@@ -119,8 +119,12 @@ namespace osu.Game.Screens.Edit.Timing
                 ControlPoint.Value = points.NewValue?.ControlPoints.OfType<T>().FirstOrDefault();
                 checkbox.Current.Value = ControlPoint.Value != null;
             }, true);
+
+            ControlPoint.BindValueChanged(OnControlPointChanged, true);
         }
 
+        protected abstract void OnControlPointChanged(ValueChangedEvent<T> point);
+
         protected abstract T CreatePoint();
     }
 }

osu.Game/Screens/Edit/Timing/TimingSection.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Graphics.Sprites;
 
@@ -22,15 +23,10 @@ namespace osu.Game.Screens.Edit.Timing
             });
         }
 
-        protected override void LoadComplete()
+        protected override void OnControlPointChanged(ValueChangedEvent<TimingControlPoint> point)
-        {
-            base.LoadComplete();
-
-            ControlPoint.BindValueChanged(point =>
         {
             bpm.Text = $"BPM: {point.NewValue?.BPM:0.##}";
             timeSignature.Text = $"Signature: {point.NewValue?.TimeSignature}";
-            });
         }
 
         protected override TimingControlPoint CreatePoint()