diff --git a/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/UniversalEditor.Engines.GTK.csproj b/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/UniversalEditor.Engines.GTK.csproj
index 0e55ccc5..ede149aa 100644
--- a/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/UniversalEditor.Engines.GTK.csproj
+++ b/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/UniversalEditor.Engines.GTK.csproj
@@ -70,6 +70,8 @@
     <Compile Include="gtk-gui\UniversalEditor.Engines.GTK.ObjectModelBrowser.cs" />
     <Compile Include="Dialogs\AboutDialog.cs" />
     <Compile Include="gtk-gui\UniversalEditor.Engines.GTK.Dialogs.AboutDialog.cs" />
+    <Compile Include="Dialogs\DataFormatOptionsDialog.cs" />
+    <Compile Include="gtk-gui\UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog.cs b/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog.cs
index 6080b3ca..2ab949f5 100644
--- a/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog.cs
+++ b/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog.cs
@@ -1,9 +1,60 @@
 
-namespace UniversalEditor.Engines.GTK
+// This file has been generated by the GUI designer. Do not modify.
+namespace UniversalEditor.Engines.GTK.Dialogs
 {
 	public partial class DataFormatOptionsDialog
 	{
-		private Gtk.Button buttonCancel;
-		private Gtk.Button buttonOk;
+		private global::Gtk.Button buttonCancel;
+		private global::Gtk.Button buttonOk;
+		
+		protected virtual void Build ()
+		{
+			global::Stetic.Gui.Initialize (this);
+			// Widget UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog
+			this.Name = "UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog";
+			this.Title = global::Mono.Unix.Catalog.GetString ("Data Format Options");
+			this.WindowPosition = ((global::Gtk.WindowPosition)(4));
+			// Internal child UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog.VBox
+			global::Gtk.VBox w1 = this.VBox;
+			w1.Name = "dialog1_VBox";
+			w1.BorderWidth = ((uint)(2));
+			// Internal child UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog.ActionArea
+			global::Gtk.HButtonBox w2 = this.ActionArea;
+			w2.Name = "dialog1_ActionArea";
+			w2.Spacing = 10;
+			w2.BorderWidth = ((uint)(5));
+			w2.LayoutStyle = ((global::Gtk.ButtonBoxStyle)(4));
+			// Container child dialog1_ActionArea.Gtk.ButtonBox+ButtonBoxChild
+			this.buttonCancel = new global::Gtk.Button ();
+			this.buttonCancel.CanDefault = true;
+			this.buttonCancel.CanFocus = true;
+			this.buttonCancel.Name = "buttonCancel";
+			this.buttonCancel.UseStock = true;
+			this.buttonCancel.UseUnderline = true;
+			this.buttonCancel.Label = "gtk-cancel";
+			this.AddActionWidget (this.buttonCancel, -6);
+			global::Gtk.ButtonBox.ButtonBoxChild w3 = ((global::Gtk.ButtonBox.ButtonBoxChild)(w2 [this.buttonCancel]));
+			w3.Expand = false;
+			w3.Fill = false;
+			// Container child dialog1_ActionArea.Gtk.ButtonBox+ButtonBoxChild
+			this.buttonOk = new global::Gtk.Button ();
+			this.buttonOk.CanDefault = true;
+			this.buttonOk.CanFocus = true;
+			this.buttonOk.Name = "buttonOk";
+			this.buttonOk.UseStock = true;
+			this.buttonOk.UseUnderline = true;
+			this.buttonOk.Label = "gtk-ok";
+			this.AddActionWidget (this.buttonOk, -5);
+			global::Gtk.ButtonBox.ButtonBoxChild w4 = ((global::Gtk.ButtonBox.ButtonBoxChild)(w2 [this.buttonOk]));
+			w4.Position = 1;
+			w4.Expand = false;
+			w4.Fill = false;
+			if ((this.Child != null)) {
+				this.Child.ShowAll ();
+			}
+			this.DefaultWidth = 476;
+			this.DefaultHeight = 300;
+			this.Show ();
+		}
 	}
 }
diff --git a/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/gui.stetic b/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/gui.stetic
index 8a1cce7f..0b6ee3b5 100644
--- a/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/gui.stetic
+++ b/CSharp/Engines/GTK/UniversalEditor.Engines.GTK/gtk-gui/gui.stetic
@@ -567,4 +567,62 @@ This implementation of the Universal Editor Platform is primarily developed and
       </widget>
     </child>
   </widget>
+  <widget class="Gtk.Dialog" id="UniversalEditor.Engines.GTK.Dialogs.DataFormatOptionsDialog" design-size="476 300">
+    <property name="MemberName" />
+    <property name="Title" translatable="yes">Data Format Options</property>
+    <property name="WindowPosition">CenterOnParent</property>
+    <property name="Buttons">2</property>
+    <property name="HelpButton">False</property>
+    <child internal-child="VBox">
+      <widget class="Gtk.VBox" id="dialog1_VBox">
+        <property name="MemberName" />
+        <property name="BorderWidth">2</property>
+        <child>
+          <placeholder />
+        </child>
+      </widget>
+    </child>
+    <child internal-child="ActionArea">
+      <widget class="Gtk.HButtonBox" id="dialog1_ActionArea">
+        <property name="MemberName" />
+        <property name="Spacing">10</property>
+        <property name="BorderWidth">5</property>
+        <property name="Size">2</property>
+        <property name="LayoutStyle">End</property>
+        <child>
+          <widget class="Gtk.Button" id="buttonCancel">
+            <property name="MemberName" />
+            <property name="CanDefault">True</property>
+            <property name="CanFocus">True</property>
+            <property name="UseStock">True</property>
+            <property name="Type">StockItem</property>
+            <property name="StockId">gtk-cancel</property>
+            <property name="ResponseId">-6</property>
+            <property name="label">gtk-cancel</property>
+          </widget>
+          <packing>
+            <property name="Expand">False</property>
+            <property name="Fill">False</property>
+          </packing>
+        </child>
+        <child>
+          <widget class="Gtk.Button" id="buttonOk">
+            <property name="MemberName" />
+            <property name="CanDefault">True</property>
+            <property name="CanFocus">True</property>
+            <property name="UseStock">True</property>
+            <property name="Type">StockItem</property>
+            <property name="StockId">gtk-ok</property>
+            <property name="ResponseId">-5</property>
+            <property name="label">gtk-ok</property>
+          </widget>
+          <packing>
+            <property name="Position">1</property>
+            <property name="Expand">False</property>
+            <property name="Fill">False</property>
+          </packing>
+        </child>
+      </widget>
+    </child>
+  </widget>
 </stetic-interface>
\ No newline at end of file