1 files changed, 31 insertions, 0 deletions
diff --git a/src/SMAPI/Events/EventArgsValueChanged.cs b/src/SMAPI/Events/EventArgsValueChanged.cs
new file mode 100644
index 00000000..1d25af49
--- /dev/null
+++ b/src/SMAPI/Events/EventArgsValueChanged.cs
@@ -0,0 +1,31 @@
+using System;
+
+namespace StardewModdingAPI.Events
+{
+    /// <summary>Event arguments for a field that changed value.</summary>
+    /// <typeparam name="T">The value type.</typeparam>
+    public class EventArgsValueChanged<T> : EventArgs
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The previous value.</summary>
+        public T PriorValue { get; }
+
+        /// <summary>The current value.</summary>
+        public T NewValue { get; }
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="priorValue">The previous value.</param>
+        /// <param name="newValue">The current value.</param>
+        public EventArgsValueChanged(T priorValue, T newValue)
+        {
+            this.PriorValue = priorValue;
+            this.NewValue = newValue;
+        }
+    }
+}
+\ No newline at end of file