1 files changed, 42 insertions, 0 deletions
diff --git a/src/SMAPI/Events/EventArgsMouseStateChanged.cs b/src/SMAPI/Events/EventArgsMouseStateChanged.cs
new file mode 100644
index 00000000..57298164
--- /dev/null
+++ b/src/SMAPI/Events/EventArgsMouseStateChanged.cs
@@ -0,0 +1,42 @@
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Input;
+
+namespace StardewModdingAPI.Events
+{
+    /// <summary>Event arguments for a <see cref="ControlEvents.MouseChanged"/> event.</summary>
+    public class EventArgsMouseStateChanged : EventArgs
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The previous mouse state.</summary>
+        public MouseState PriorState { get; }
+
+        /// <summary>The current mouse state.</summary>
+        public MouseState NewState { get; }
+
+        /// <summary>The previous mouse position on the screen adjusted for the zoom level.</summary>
+        public Point PriorPosition { get; }
+
+        /// <summary>The current mouse position on the screen adjusted for the zoom level.</summary>
+        public Point NewPosition { get; }
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="priorState">The previous mouse state.</param>
+        /// <param name="newState">The current mouse state.</param>
+        /// <param name="priorPosition">The previous mouse position on the screen adjusted for the zoom level.</param>
+        /// <param name="newPosition">The current mouse position on the screen adjusted for the zoom level.</param>
+        public EventArgsMouseStateChanged(MouseState priorState, MouseState newState, Point priorPosition, Point newPosition)
+        {
+            this.PriorState = priorState;
+            this.NewState = newState;
+            this.PriorPosition = priorPosition;
+            this.NewPosition = newPosition;
+        }
+    }
+}