Fallow the proper 'On___' pattern

Author: Rosuavio

Microsoft.Toolkit.Uwp.UI.Controls.Input/RangeSelector/RangeSelector.Events.cs

@@ -4,6 +4,7 @@
 
 using System;
 using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Controls.Primitives;
 
 namespace Microsoft.Toolkit.Uwp.UI.Controls
 {
@@ -12,12 +13,44 @@ namespace Microsoft.Toolkit.Uwp.UI.Controls
     /// </summary>
     public partial class RangeSelector : Control
     {
+        /// <summary>
+        /// Event raised when lower or upper range thumbs start being dragged.
+        /// </summary>
+        public event DragStartedEventHandler ThumbDragStarted;
+
+        /// <summary>
+        /// Event raised when lower or upper range thumbs end being dragged.
+        /// </summary>
+        public event DragCompletedEventHandler ThumbDragCompleted;
+
         /// <summary>
         /// Event raised when lower or upper range values are changed.
         /// </summary>
         public event EventHandler<RangeChangedEventArgs> ValueChanged;
 
-        private void OnValueChanged(RangeChangedEventArgs e)
+        /// <summary>
+        /// Called before the <see cref="ThumbDragStarted"/> event occurs.
+        /// </summary>
+        /// <param name="e">Event data for the event.</param>
+        protected void OnThumbDragStarted(DragStartedEventArgs e)
+        {
+            ThumbDragStarted?.Invoke(this, e);
+        }
+
+        /// <summary>
+        /// Called before the <see cref="ThumbDragCompleted"/> event occurs.
+        /// </summary>
+        /// <param name="e">Event data for the event.</param>
+        protected void OnThumbDragCompleted(DragCompletedEventArgs e)
+        {
+            ThumbDragCompleted?.Invoke(this, e);
+        }
+
+        /// <summary>
+        /// Called before the <see cref="ValueChanged"/> event occurs.
+        /// </summary>
+        /// <param name="e"><see cref="RangeChangedEventArgs"/> event data for the event.</param>
+        protected void OnValueChanged(RangeChangedEventArgs e)
         {
             ValueChanged?.Invoke(this, e);
         }

Microsoft.Toolkit.Uwp.UI.Controls.Input/RangeSelector/RangeSelector.Input.Drag.cs

@@ -15,26 +15,6 @@ namespace Microsoft.Toolkit.Uwp.UI.Controls
     /// </summary>
     public partial class RangeSelector : Control
     {
-        /// <summary>
-        /// Event raised when lower or upper range thumbs start being dragged.
-        /// </summary>
-        public event DragStartedEventHandler ThumbDragStarted;
-
-        /// <summary>
-        /// Event raised when lower or upper range thumbs end being dragged.
-        /// </summary>
-        public event DragCompletedEventHandler ThumbDragCompleted;
-
-        private void OnThumbDragStarted(DragStartedEventArgs e)
-        {
-            ThumbDragStarted?.Invoke(this, e);
-        }
-
-        private void OnThumbDragCompleted(DragCompletedEventArgs e)
-        {
-            ThumbDragCompleted?.Invoke(this, e);
-        }
-
         private void MinThumb_DragDelta(object sender, DragDeltaEventArgs e)
         {
             _absolutePosition += e.HorizontalChange;
@@ -90,7 +70,6 @@ private double DragWidth()
             return _containerCanvas.ActualWidth - _maxThumb.Width;
         }
 
-
         private double DragThumb(Thumb thumb, double min, double max, double nextPos)
         {
             nextPos = Math.Max(min, nextPos);