From 57876441fc34b92279e5ff57095b24de8d177262 Mon Sep 17 00:00:00 2001
From: Michael Higgins <mdhiggins23@gmail.com>
Date: Tue, 24 Nov 2020 15:43:10 -0500
Subject: [PATCH] better exception handling

---
 CenterTaskbar/Program.cs | 43 ++++++++++++++++++++++++----------------
 1 file changed, 26 insertions(+), 17 deletions(-)

diff --git a/CenterTaskbar/Program.cs b/CenterTaskbar/Program.cs
index 62798b5..ae2acf7 100644
--- a/CenterTaskbar/Program.cs
+++ b/CenterTaskbar/Program.cs
@@ -166,25 +166,34 @@ private void Exit(object sender, EventArgs e)
 
         private void CancelPositionThread()
         {
-            _loopCancellationTokenSource.Cancel();
-            Parallel.ForEach(_positionThreads.Values.ToList(), theTask =>
+            try
             {
-                try
-                {
-                    // Give the thread time to exit gracefully.
-                    if (theTask.Wait(OneSecond * 3)) return;
-                }
-                catch (OperationCanceledException e)
-                {
-                    Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
-                }
-                finally
+                _loopCancellationTokenSource.Cancel();
+                Parallel.ForEach(_positionThreads.Values.ToList(), theTask =>
                 {
-                    theTask.Dispose();
-                }
-            });
-
-            _loopCancellationTokenSource = new CancellationTokenSource();
+                    try
+                    {
+                        // Give the thread time to exit gracefully.
+                        if (theTask.Wait(OneSecond * 3)) return;
+                    }
+                    catch (OperationCanceledException e)
+                    {
+                        Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
+                    }
+                    finally
+                    {
+                        theTask.Dispose();
+                    }
+                });
+            }
+            catch (OperationCanceledException e)
+            {
+                Console.WriteLine($"{nameof(OperationCanceledException)} thrown with message: {e.Message}");
+            }
+            finally
+            {
+                _loopCancellationTokenSource = new CancellationTokenSource();
+            }
         }
 
         private void Restart(object sender, EventArgs e)