Open config file from executable directory regardless of working directory (fixes startup issue)

Fixed ExceptionEvent not invoking to main thread
Bit more exception handling while shutting down

CameraStream.cs

@@ -48,8 +48,20 @@ namespace IPCamAppBar
         public void Dispose()
         {
             cancelTaskTokenSource.Cancel();
+
+            try
+            {
                 streamTask?.Wait();
             }
+            catch (AggregateException e)
+            {
+                if (e.InnerExceptions.Count == 1 && e.InnerExceptions[0] is TaskCanceledException)
+                    return;
+
+                throw;
+            }
+            catch (TaskCanceledException) { }
+        }
 
 
         private async Task Fetch(string url, CancellationToken cancellationToken)

CameraView.cs

@@ -22,7 +22,7 @@ namespace IPCamAppBar
 
             Disposed += (sender, args) =>
             {
-                cameraStream?.Dispose();
+                cameraStream.Dispose();
             };
         }
 
@@ -80,6 +80,12 @@ namespace IPCamAppBar
 
         private void CameraStreamOnStreamException(object sender, StreamExceptionEventArgs args)
         {
+            if (InvokeRequired)
+            {
+                Invoke(new Action(() => { CameraStreamOnStreamException(sender, args); }));
+                return;
+            }
+
             IssueLabel.Text = args.Exception.Message;
             IssueLabel.Visible = true;
             IssueLabel.BringToFront();

IPCamAppBar.csproj

@@ -31,6 +31,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">

MainForm.cs

@@ -1,6 +1,8 @@
 using System;
+using System.Diagnostics.Contracts;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using System.Windows.Forms;
 using Newtonsoft.Json;
 
@@ -16,7 +18,9 @@ namespace IPCamAppBar
         {
             InitializeComponent();
 
-            using (var file = File.OpenText(@"config.json"))
+            // ReSharper disable once PossibleNullReferenceException
+            // ReSharper disable once AssignNullToNotNullAttribute
+            using (var file = File.OpenText(Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), "config.json")))
             {
                 var serializer = new JsonSerializer();
                 config = (Config)serializer.Deserialize(file, typeof(Config));