diff --git a/Rs.Controls/RsTray.cs b/Rs.Controls/RsTray.cs
index 1a06ee5..6d8352e 100644
--- a/Rs.Controls/RsTray.cs
+++ b/Rs.Controls/RsTray.cs
@@ -85,6 +85,16 @@ namespace Rs.Controls
             return null;
         }
 
+        public List<TraySlot> GetSlots(ESlotStatus status)
+        {
+            List<TraySlot> slots = new List<TraySlot>();
+            foreach (KeyValuePair<int, TraySlot> kv in traySlotsDic)
+            {
+                if (kv.Value.SlotStatus == status)
+                    slots.Add(kv.Value);
+            }
+            return slots;
+        }
 
         public bool CanDraw { get; set; } = true;