diff --git a/src/Assets/ugui-mvvm/Editor/DropDownMenu.cs b/src/Assets/ugui-mvvm/Editor/DropDownMenu.cs
index 0ec2877..6ed33ca 100644
--- a/src/Assets/ugui-mvvm/Editor/DropDownMenu.cs
+++ b/src/Assets/ugui-mvvm/Editor/DropDownMenu.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using UnityEditor;
 using UnityEngine;
 
@@ -34,6 +35,8 @@ public class DropDownMenu
         private readonly List<DropDownItem> _dropDownItems = new List<DropDownItem>();
         private int _selectedItem = -1;
 
+        public List<DropDownItem> Items => _dropDownItems.ToList();
+
         /// <summary>
         /// The number of items in the list.
         /// </summary>
diff --git a/src/Assets/ugui-mvvm/Editor/PropertyBindingEditor.cs b/src/Assets/ugui-mvvm/Editor/PropertyBindingEditor.cs
index 0a3ce2b..6606cce 100644
--- a/src/Assets/ugui-mvvm/Editor/PropertyBindingEditor.cs
+++ b/src/Assets/ugui-mvvm/Editor/PropertyBindingEditor.cs
@@ -393,8 +393,12 @@ private static int DrawBindingComponent(SerializedProperty componentPathProperty
                     EditorGUILayout.HelpBox($"Select an event that indicates the property has changed, or update the binding mode.", MessageType.Warning);
                 }
             }
+			else if (dropDownMenu.ItemCount == 1)
+			{
+                dropDownMenu.Items[0].Command();
+			}
 
-            updateTriggerCount = dropDownMenu.ItemCount;
+			updateTriggerCount = dropDownMenu.ItemCount;
         }
 
         return updateTriggerCount;