diff --git a/Wox/App.xaml.cs b/Wox/App.xaml.cs
index 19ff2c2f17..2b9ed56c32 100644
--- a/Wox/App.xaml.cs
+++ b/Wox/App.xaml.cs
@@ -10,6 +10,8 @@ using Wox.CommandArgs;
 using Wox.Core.Plugin;
 using Wox.Helper;
 using Wox.Infrastructure;
+using Wox.Plugin;
+using Wox.ViewModel;
 using Stopwatch = Wox.Infrastructure.Stopwatch;
 
 
@@ -20,6 +22,8 @@ namespace Wox
         private const string Unique = "Wox_Unique_Application_Mutex";
         public static MainWindow Window { get; private set; }
 
+        public static IPublicAPI API { get; private set; }
+
         [STAThread]
         public static void Main()
         {
@@ -40,8 +44,14 @@ namespace Wox
                 WoxDirectroy.Executable = Directory.GetParent(Assembly.GetExecutingAssembly().Location).ToString();
                 RegisterUnhandledException();
                 ThreadPool.QueueUserWorkItem(o => { ImageLoader.ImageLoader.PreloadImages(); });
+
+
+                MainViewModel mainVM = new MainViewModel();
+                API = new PublicAPIInstance(mainVM);
                 Window = new MainWindow();
-                PluginManager.Init(Window);
+                Window.DataContext = mainVM;
+
+                PluginManager.Init(API);
                 CommandArgsFactory.Execute(e.Args.ToList());
             });
 
@@ -59,7 +69,7 @@ namespace Wox
         {
             if (args.Count > 0 && args[0] == SingleInstance<App>.Restart)
             {
-                Window.CloseApp();
+                API.CloseApp();
             }
             else
             {
diff --git a/Wox/Helper/ListBoxItems.cs b/Wox/Helper/ListBoxItems.cs
deleted file mode 100644
index bb2bdc2a2e..0000000000
--- a/Wox/Helper/ListBoxItems.cs
+++ /dev/null
@@ -1,71 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Collections.Specialized;
-using System.ComponentModel;
-using System.Linq;
-using Wox.Plugin;
-
-namespace Wox.Helper
-{
-    class ListBoxItems : ObservableCollection<Result>
-    // todo implement custom moveItem,removeItem,insertItem for better performance
-    {
-        public void RemoveAll(Predicate<Result> predicate)
-        {
-            CheckReentrancy();
-
-            List<Result> itemsToRemove = Items.Where(x => predicate(x)).ToList();
-            if (itemsToRemove.Count > 0)
-            {
-
-                itemsToRemove.ForEach(item => Items.Remove(item));
-
-                OnPropertyChanged(new PropertyChangedEventArgs("Count"));
-                OnPropertyChanged(new PropertyChangedEventArgs("Item[]"));
-                // fuck ms 
-                // http://blogs.msdn.com/b/nathannesbit/archive/2009/04/20/addrange-and-observablecollection.aspx
-                // http://geekswithblogs.net/NewThingsILearned/archive/2008/01/16/listcollectionviewcollectionview-doesnt-support-notifycollectionchanged-with-multiple-items.aspx
-                // PS: don't use Reset for other data updates, it will cause UI flickering
-                OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
-            }
-        }
-
-        public void Update(List<Result> newItems)
-        {
-            int newCount = newItems.Count;
-            int oldCount = Items.Count;
-            int location = newCount > oldCount ? oldCount : newCount;
-            for (int i = 0; i < location; i++)
-            {
-                Result oldItem = Items[i];
-                Result newItem = newItems[i];
-                if (!oldItem.Equals(newItem))
-                {
-                    this[i] = newItem;
-                }
-                else if (oldItem.Score != newItem.Score)
-                {
-                    this[i].Score = newItem.Score;
-                }
-            }
-
-            if (newCount > oldCount)
-            {
-                for (int i = oldCount; i < newCount; i++)
-                {
-                    Add(newItems[i]);
-                }
-            }
-            else
-            {
-                int removeIndex = newCount;
-                for (int i = newCount; i < oldCount; i++)
-                {
-                    RemoveAt(removeIndex);
-                }
-            }
-
-        }
-    }
-}
diff --git a/Wox/Wox.csproj b/Wox/Wox.csproj
index d05cf6ffd1..e0e17c5cf2 100644
--- a/Wox/Wox.csproj
+++ b/Wox/Wox.csproj
@@ -123,12 +123,17 @@
     <Compile Include="Converters\OpacityModeConverter.cs" />
     <Compile Include="Converters\StringEmptyConverter.cs" />
     <Compile Include="Converters\StringNullOrEmptyToVisibilityConverter.cs" />
-    <Compile Include="Helper\ListBoxItems.cs" />
+    <Compile Include="Converters\VisibilityConverter.cs" />
     <Compile Include="Helper\SingletonWindowOpener.cs" />
     <Compile Include="ImageLoader\ImageCacheStroage.cs" />
+    <Compile Include="PublicAPIInstance.cs" />
     <Compile Include="Storage\QueryHistoryStorage.cs" />
     <Compile Include="Storage\TopMostRecordStorage.cs" />
     <Compile Include="Storage\UserSelectedRecordStorage.cs" />
+    <Compile Include="ViewModel\BaseViewModel.cs" />
+    <Compile Include="ViewModel\MainViewModel.cs" />
+    <Compile Include="ViewModel\ResultItemViewModel.cs" />
+    <Compile Include="ViewModel\ResultPanelViewModel.cs" />
     <Compile Include="WoxUpdate.xaml.cs">
       <DependentUpon>WoxUpdate.xaml</DependentUpon>
     </Compile>