diff --git a/FormRegistry.cs b/FormRegistry.cs
index 770959b..eab7a84 100644
--- a/FormRegistry.cs
+++ b/FormRegistry.cs
@@ -10,11 +10,15 @@ namespace NBTExplorer
         public delegate bool EditRestrictedStringAction (RestrictedStringFormData data);
         public delegate bool EditTagScalarAction (TagScalarFormData data);
         public delegate bool EditByteArrayAction (ByteArrayFormData data);
+        public delegate bool CreateNodeAction (CreateTagFormData data);
 
         public static EditStringAction EditString { get; set; }
         public static EditRestrictedStringAction RenameTag { get; set; }
         public static EditTagScalarAction EditTagScalar { get; set; }
         public static EditByteArrayAction EditByteArray { get; set; }
+        public static CreateNodeAction CreateNode { get; set; }
+
+        public static Action<string> MessageBox { get; set; }
     }
 
     public class TagScalarFormData
@@ -52,6 +56,21 @@ namespace NBTExplorer
         }
     }
 
+    public class CreateTagFormData
+    {
+        public CreateTagFormData ()
+        {
+            RestrictedNames = new List<string>();
+        }
+
+        public TagType TagType { get; set; }
+        public bool HasName { get; set; }
+        public List<String> RestrictedNames { get; private set; }
+
+        public TagNode TagNode { get; set; }
+        public string TagName { get; set; }
+    }
+
     public class ByteArrayFormData
     {
         public string NodeName { get; set; }
diff --git a/Model/CubicRegionDataNode.cs b/Model/CubicRegionDataNode.cs
index 51de6f5..271a575 100644
--- a/Model/CubicRegionDataNode.cs
+++ b/Model/CubicRegionDataNode.cs
@@ -1,6 +1,5 @@
 using System.IO;
 using System.Text.RegularExpressions;
-using System.Windows.Forms;
 
 namespace NBTExplorer.Model
 {
@@ -60,7 +59,8 @@ namespace NBTExplorer.Model
                 }
             }
             catch {
-                MessageBox.Show("Not a valid cubic region file.", "Read Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+                if (FormRegistry.MessageBox != null)
+                    FormRegistry.MessageBox("Not a valid cubic region file.");
             }
         }
 
diff --git a/Model/NbtFileDataNode.cs b/Model/NbtFileDataNode.cs
index 6d4681f..e344296 100644
--- a/Model/NbtFileDataNode.cs
+++ b/Model/NbtFileDataNode.cs
@@ -1,7 +1,7 @@
 using System.IO;
+using System.Text.RegularExpressions;
 using Substrate.Core;
 using Substrate.Nbt;
-using System.Text.RegularExpressions;
 
 namespace NBTExplorer.Model
 {
diff --git a/Model/RegionChunkDataNode.cs b/Model/RegionChunkDataNode.cs
index 02be164..599ef66 100644
--- a/Model/RegionChunkDataNode.cs
+++ b/Model/RegionChunkDataNode.cs
@@ -1,6 +1,6 @@
-using Substrate.Core;
+using System.IO;
+using Substrate.Core;
 using Substrate.Nbt;
-using System.IO;
 
 namespace NBTExplorer.Model
 {
diff --git a/Model/RegionFileDataNode.cs b/Model/RegionFileDataNode.cs
index 4fb1a2d..dbd2993 100644
--- a/Model/RegionFileDataNode.cs
+++ b/Model/RegionFileDataNode.cs
@@ -1,7 +1,6 @@
 using System.IO;
-using System.Windows.Forms;
-using Substrate.Core;
 using System.Text.RegularExpressions;
+using Substrate.Core;
 
 namespace NBTExplorer.Model
 {
@@ -61,7 +60,8 @@ namespace NBTExplorer.Model
                 }
             }
             catch {
-                MessageBox.Show("Not a valid region file.", "Read Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+                if (FormRegistry.MessageBox != null)
+                    FormRegistry.MessageBox("Not a valid region file.");
             }
         }
 
diff --git a/Model/TagCompoundDataNode.cs b/Model/TagCompoundDataNode.cs
index e6a36d5..ad09b87 100644
--- a/Model/TagCompoundDataNode.cs
+++ b/Model/TagCompoundDataNode.cs
@@ -1,7 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Windows.Forms;
-using NBTExplorer.Windows;
 using Substrate.Nbt;
 
 namespace NBTExplorer.Model
@@ -50,12 +48,16 @@ namespace NBTExplorer.Model
             if (!CanCreateTag(type))
                 return false;
 
-            CreateNodeForm form = new CreateNodeForm(type, true);
-            form.InvalidNames.AddRange(_container.TagNamesInUse);
+            if (FormRegistry.CreateNode != null) {
+                CreateTagFormData data = new CreateTagFormData() {
+                    TagType = type, HasName = true,
+                };
+                data.RestrictedNames.AddRange(_container.TagNamesInUse);
 
-            if (form.ShowDialog() == DialogResult.OK) {
-                AddTag(form.TagNode, form.TagName);
-                return true;
+                if (FormRegistry.CreateNode(data)) {
+                    AddTag(data.TagNode, data.TagName);
+                    return true;
+                }
             }
 
             return false;
diff --git a/Model/TagDataNode.cs b/Model/TagDataNode.cs
index 0631752..48235f9 100644
--- a/Model/TagDataNode.cs
+++ b/Model/TagDataNode.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-//susing System.Windows.Forms;
 using Substrate.Nbt;
 
 namespace NBTExplorer.Model
diff --git a/Windows/FormHandlers.cs b/Windows/FormHandlers.cs
index 9653d80..7f22c63 100644
--- a/Windows/FormHandlers.cs
+++ b/Windows/FormHandlers.cs
@@ -11,6 +11,14 @@ namespace NBTExplorer.Windows
             FormRegistry.EditString = EditStringHandler;
             FormRegistry.EditTagScalar = EditTagScalarValueHandler;
             FormRegistry.RenameTag = RenameTagHandler;
+            FormRegistry.CreateNode = CreateNodeHandler;
+
+            FormRegistry.MessageBox = MessageBoxHandler;
+        }
+
+        public static void MessageBoxHandler (string message)
+        {
+            MessageBox.Show(message);
         }
 
         public static bool EditStringHandler (StringFormData data)
@@ -56,5 +64,19 @@ namespace NBTExplorer.Windows
             else
                 return false;
         }
+
+        public static bool CreateNodeHandler (CreateTagFormData data)
+        {
+            CreateNodeForm form = new CreateNodeForm(data.TagType, data.HasName);
+            form.InvalidNames.AddRange(data.RestrictedNames);
+
+            if (form.ShowDialog() == DialogResult.OK) {
+                data.TagNode = form.TagNode;
+                data.TagName = form.TagName;
+                return true;
+            }
+            else
+                return false;
+        }
     }
 }