diff --git a/NodifyM.Avalonia.Example/MainWindowViewModel.cs b/NodifyM.Avalonia.Example/MainWindowViewModel.cs
index fd7f86f..6a15d7d 100644
--- a/NodifyM.Avalonia.Example/MainWindowViewModel.cs
+++ b/NodifyM.Avalonia.Example/MainWindowViewModel.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.ObjectModel;
 using Avalonia;
+using Avalonia.Controls;
 using Avalonia.Styling;
 using CommunityToolkit.Mvvm.Input;
 using NodifyM.Avalonia.ViewModelBase;
@@ -27,16 +28,25 @@ public MainWindowViewModel()
         Connections.Add(new ConnectionViewModelBase(this,output1,knot1.Connector,"Test"));
         Connections.Add(new ConnectionViewModelBase(this,knot1.Connector,input1));
         Nodes  =new(){
+                
                 new NodeViewModelBase()
                 {
                     Location = new Point(400, 2000),
                     Title = "Node 1",
-                    Input = new ObservableCollection<ConnectorViewModelBase>
+                    Input = new ObservableCollection<object>
                     {
                         input1,
-                       
+                       new ComboBox()
+                       {
+                            ItemsSource = new ObservableCollection<object>
+                            {
+                                 "Item 1",
+                                 "Item 2",
+                                 "Item 3"
+                                 }
+                       }
                     },
-                    Output = new ObservableCollection<ConnectorViewModelBase>
+                    Output = new ObservableCollection<object>
                     {
                        
                         new ConnectorViewModelBase()
@@ -50,7 +60,7 @@ public MainWindowViewModel()
                 {
                     Title = "Node 2",
                     Location = new Point(-100,-100),
-                    Input = new ObservableCollection<ConnectorViewModelBase>
+                    Input = new ObservableCollection<object>
                     {
                         new ConnectorViewModelBase()
                         {
@@ -63,7 +73,7 @@ public MainWindowViewModel()
                             Title = "Input 2"
                         }
                     },
-                    Output = new ObservableCollection<ConnectorViewModelBase>
+                    Output = new ObservableCollection<object>
                     {
                         output1,
                         new ConnectorViewModelBase()
diff --git a/NodifyM.Avalonia/Controls/BaseNode.axaml.cs b/NodifyM.Avalonia/Controls/BaseNode.axaml.cs
index fce7b8e..e3e8cde 100644
--- a/NodifyM.Avalonia/Controls/BaseNode.axaml.cs
+++ b/NodifyM.Avalonia/Controls/BaseNode.axaml.cs
@@ -64,11 +64,25 @@ protected override void OnPointerReleased(PointerReleasedEventArgs e)
     protected override void OnPointerPressed(PointerPressedEventArgs e)
     {
         base.OnPointerPressed(e);
+        
         if (e.Handled)
         {
             return;
         }
 
+        if (e.Source is Control control)
+        {
+            if (control is ComboBox)
+            {
+                return;
+            }
+
+            if (control.TemplatedParent is ComboBox)
+            {
+                return;
+            }
+        }
+
         _editor.SelectItem(this);
         if (!e.GetCurrentPoint(this)
                 .Properties.IsLeftButtonPressed) return;
diff --git a/NodifyM.Avalonia/ViewModelBase/ConnectorViewModelBase.cs b/NodifyM.Avalonia/ViewModelBase/ConnectorViewModelBase.cs
index e37bb91..8bc95e9 100644
--- a/NodifyM.Avalonia/ViewModelBase/ConnectorViewModelBase.cs
+++ b/NodifyM.Avalonia/ViewModelBase/ConnectorViewModelBase.cs
@@ -17,5 +17,7 @@ public enum ConnectorFlow
     private string _title;
     [ObservableProperty]
     private bool _isConnected;
+    [ObservableProperty]
+    private bool _canConnect;
     public ConnectorFlow? Flow { get;  set; }
 }
\ No newline at end of file
diff --git a/NodifyM.Avalonia/ViewModelBase/NodeViewModelBase.cs b/NodifyM.Avalonia/ViewModelBase/NodeViewModelBase.cs
index 8d22f4e..ebc80f5 100644
--- a/NodifyM.Avalonia/ViewModelBase/NodeViewModelBase.cs
+++ b/NodifyM.Avalonia/ViewModelBase/NodeViewModelBase.cs
@@ -9,6 +9,6 @@ public partial class NodeViewModelBase : BaseNodeViewModel
 
     [ObservableProperty] private string _title;
     [ObservableProperty] private string _footer;
-    [ObservableProperty] private ObservableCollection<ConnectorViewModelBase> input = new();
-    [ObservableProperty] private ObservableCollection<ConnectorViewModelBase> output = new();
+    [ObservableProperty] private ObservableCollection<object> input = new();
+    [ObservableProperty] private ObservableCollection<object> output = new();
 }
\ No newline at end of file