Added status reporting interface to provide a generalized interface for background processes to report their current status; tried to improve documentation of the Progression and RectanglePacker classes

git-svn-id: file:///srv/devel/repo-conversion/nusu@48 d2e56fa2-650e-0410-a79f-9358c0239efd

Source/Tracking/IStatusReporter.cs

@@ -0,0 +1,34 @@
+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2007 Nuclex Development Labs
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the IBM Common Public License as
+published by the IBM Corporation; either version 1.0 of the
+License, or (at your option) any later version.
+
+This library 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
+IBM Common Public License for more details.
+
+You should have received a copy of the IBM Common Public
+License along with this library
+*/
+#endregion
+
+using System;
+using System.Collections.Generic;
+
+namespace Nuclex.Support.Tracking {
+
+  /// <summary>Interface for processes that report their status</summary>
+  interface IStatusReporter {
+
+    /// <summary>Triggered when the status of the process changes</summary>
+    event EventHandler<StatusReportEventArgs> StatusChanged;
+
+  }
+
+} // namespace Nuclex.Support.Tracking