diff --git a/MBS.Framework/ICustomPlugin.cs b/MBS.Framework/ICustomPlugin.cs
new file mode 100755
index 0000000..35be4a0
--- /dev/null
+++ b/MBS.Framework/ICustomPlugin.cs
@@ -0,0 +1,27 @@
+//
+//  CardinalDirection.cs
+//
+//  Author:
+//       Michael Becker <alcexhim@gmail.com>
+//
+//  Copyright (c) 2021 Mike Becker's Software
+//
+//  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 MBS.Framework
+{
+	public interface ICustomPlugin
+	{
+	}
+}
diff --git a/MBS.Framework/MBS.Framework.csproj b/MBS.Framework/MBS.Framework.csproj
old mode 100755
new mode 100644
index 8eac4d0..3695de2
--- a/MBS.Framework/MBS.Framework.csproj
+++ b/MBS.Framework/MBS.Framework.csproj
@@ -138,6 +138,9 @@
     <Compile Include="ApplicationActivatedEvent.cs" />
     <Compile Include="ApplicationActivationType.cs" />
     <Compile Include="CommandLineCommand.cs" />
+    <Compile Include="ProgressEvent.cs" />
+    <Compile Include="ICustomPlugin.cs" />
+    <Compile Include="StringBuilderExtensions.cs" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Logic\" />
diff --git a/MBS.Framework/ProgressEvent.cs b/MBS.Framework/ProgressEvent.cs
new file mode 100644
index 0000000..981ce2b
--- /dev/null
+++ b/MBS.Framework/ProgressEvent.cs
@@ -0,0 +1,75 @@
+//
+//  ProgressEvent.cs - provide a way to signal progress to UI from non-UI code
+//
+//  Author:
+//       Michael Becker <alcexhim@gmail.com>
+//
+//  Copyright (c) 2011-2020 Mike Becker's Software
+//
+//  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;
+using System.ComponentModel;
+
+namespace UniversalEditor
+{
+	/// <summary>
+	/// A delegate for the event that is raised when progress is made during an asynchronous operation.
+	/// </summary>
+	/// <param name="sender">The control firing this event.</param>
+	/// <param name="e">A <see cref="ProgressEventArgs" /> that contains additional information about this event.</param>
+	public delegate void ProgressEventHandler(object sender, ProgressEventArgs e);
+	/// <summary>
+	/// Event arguments for the event that is raised when progress is made during an asynchronous operation.
+	/// </summary>
+	public class ProgressEventArgs : CancelEventArgs
+	{
+		private long mvarTotal = 0;
+		/// <summary>
+		/// The total possible amount of progress represented by this progress event.
+		/// </summary>
+		public long Total { get { return mvarTotal; } }
+
+		private long mvarCurrent = 0;
+		/// <summary>
+		/// The current amount of progress completed.
+		/// </summary>
+		public long Current { get { return mvarCurrent; } }
+
+		/// <summary>
+		/// The amount of progress remaining.
+		/// </summary>
+		public long Remaining { get { return mvarTotal - mvarCurrent; } }
+
+		private string mvarMessage = String.Empty;
+		/// <summary>
+		/// The progress message
+		/// </summary>
+		public string Message { get { return mvarMessage; } }
+
+		/// <summary>
+		/// Creates a new instance of the <see cref="ProgressEventArgs" /> event arguments for the event that is
+		/// raised when progress is made during an asynchronous operation.
+		/// </summary>
+		/// <param name="current">The current amount of progress completed.</param>
+		/// <param name="total">The total possible amount of progress represented by this progress event.</param>
+		/// <param name="message">The progress message</param>
+		public ProgressEventArgs(long current, long total, string message = "")
+		{
+			mvarCurrent = current;
+			mvarTotal = total;
+			mvarMessage = message;
+		}
+	}
+}
diff --git a/MBS.Framework/StringBuilderExtensions.cs b/MBS.Framework/StringBuilderExtensions.cs
new file mode 100644
index 0000000..31d85ae
--- /dev/null
+++ b/MBS.Framework/StringBuilderExtensions.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Text;
+
+namespace MBS.Framework
+{
+	public static class StringBuilderExtensions
+	{
+		public static void AppendLineIndented(this StringBuilder sb, object value, int indentLevel, char indentChar = '\t', int indentCharCountPerLevel = 1)
+		{
+			for (int i = 0; i < indentLevel * indentCharCountPerLevel; i++)
+			{
+				sb.Append(indentChar);
+			}
+			sb.Append(value);
+			sb.AppendLine();
+		}
+	}
+}