Fixed an exception that occurred if the MainForm update loop was too slow

Author: Brian Macintosh

UnityProjectBrowser/MainForm.cs

@@ -83,7 +83,7 @@ private void UpdateLoop()
 					UpdateAllObjectsList();
 				}
 				m_updateThreadSync.WaitOne();
-				Thread.Sleep(UpdateInterval - stopwatch.Elapsed);
+				Thread.Sleep(TimeSpanUtility.Max(TimeSpan.Zero, UpdateInterval - stopwatch.Elapsed));
 			}
 		}
 

UnityProjectBrowser/UnityProjectBrowser.csproj

@@ -96,6 +96,7 @@
     <Compile Include="Structure\Unity\UnitySprite.cs" />
     <Compile Include="Structure\Unity\UnityFolder.cs" />
     <Compile Include="Utility\ListViewExtender.cs" />
+    <Compile Include="Utility\TimeSpanUtility.cs" />
     <Compile Include="Utility\UnityClassIds.cs" />
     <EmbeddedResource Include="GotoForm.resx">
       <DependentUpon>GotoForm.cs</DependentUpon>

UnityProjectBrowser/Utility/TimeSpanUtility.cs

@@ -0,0 +1,26 @@
+// Copyright(c) 2018 Brian MacIntosh
+// MIT License
+
+using System;
+
+namespace UnityProjectBrowser
+{
+	public static class TimeSpanUtility
+	{
+		/// <summary>
+		/// Returns the greater of the two <see cref="TimeSpan"/>s.
+		/// </summary>
+		public static TimeSpan Max(TimeSpan a, TimeSpan b)
+		{
+			return a > b ? a : b;
+		}
+
+		/// <summary>
+		/// Returns the lesser of the two <see cref="TimeSpan"/>s.
+		/// </summary>
+		public static TimeSpan Min(TimeSpan a, TimeSpan b)
+		{
+			return a > b ? b : a;
+		}
+	}
+}