Merge pull request #48 from aaasoft/Fix-Bug-AttachCustomWheelEventHanler-NotFound

Fix AttachCustomWheelEventHandler error in frontend.

Author: BattlefieldDuck

XtermBlazor/XtermHandler.cs

@@ -188,6 +188,18 @@ public static bool AttachCustomKeyEventHandler(string id, KeyboardEventArgs @eve
             return GetTerminal(id)?.CustomKeyEventHandler.Invoke(@event) ?? true;
         }
 
+        /// <summary>
+        /// An event handler before wheel are processed
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="event"></param>
+        /// <returns></returns>
+        [JSInvokable]
+        public static bool AttachCustomWheelEventHandler(string id, WheelEventArgs @event)
+        {
+            return GetTerminal(id)?.CustomWheelEventHandler.Invoke(@event) ?? true;
+        }
+
         private static Xterm? GetTerminal(string id)
         {
             return _terminals.ContainsKey(id) ? _terminals[id] : null;