Refactor DocumentPropertiesDialogMode into separate file

CSharp/Libraries/UniversalEditor.UserInterface/Dialogs/DocumentPropertiesDialog.cs

@@ -30,12 +30,6 @@ using MBS.Framework.Drawing;
 
 namespace UniversalEditor.UserInterface.Dialogs
 {
-	public enum DocumentPropertiesDialogMode
-	{
-		Open,
-		Save
-	}
-
 	[ContainerLayout("~/Dialogs/DocumentPropertiesDialog.glade", "GtkDialog")]
 	public class DocumentPropertiesDialog : Dialog
 	{

CSharp/Libraries/UniversalEditor.UserInterface/Dialogs/DocumentPropertiesDialogMode.cs

@@ -0,0 +1,31 @@
+//
+//  DocumentPropertiesDialogMode.cs
+//
+//  Author:
+//       Mike Becker <alcexhim@gmail.com>
+//
+//  Copyright (c) 2019 Mike Becker
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+
+namespace UniversalEditor.UserInterface.Dialogs
+{
+	public enum DocumentPropertiesDialogMode
+	{
+		Open,
+		Save
+	}
+}
+

CSharp/Libraries/UniversalEditor.UserInterface/UniversalEditor.UserInterface.csproj

@@ -109,6 +109,7 @@
     <Compile Include="Panels\StartPagePanel.cs" />
     <Compile Include="Editors\FileSystem\FileSystemEditorSettingsProvider.cs" />
     <Compile Include="Editors\Text\Plain\PlainTextEditorSettingsProvider.cs" />
+    <Compile Include="Dialogs\DocumentPropertiesDialogMode.cs" />
   </ItemGroup>
   <ItemGroup>
     <BootstrapperPackage Include="Microsoft.Net.Client.3.5">