Added Dispatch.OnException

Facepunch.Steamworks.Test/AppTest.cs

@@ -22,7 +22,7 @@ namespace Steamworks
 				Console.WriteLine( $"" );
 			};
 
-			Steamworks.SteamClient.OnCallbackException = ( e ) =>
+			Steamworks.Dispatch.OnException = ( e ) =>
 			{
 				Console.Error.WriteLine( e.Message );
 				Console.Error.WriteLine( e.StackTrace );

Facepunch.Steamworks.Test/NetworkingSockets.cs

@@ -103,7 +103,7 @@ namespace Steamworks
 		}
 
 		[TestMethod]
-		public async Task NetAddressTest()
+		public void NetAddressTest()
 		{
 			{
 				var n = NetAddress.From( "127.0.0.1", 12445 );

Facepunch.Steamworks/Classes/Dispatch.cs

@@ -27,6 +27,14 @@ namespace Steamworks
 		/// </summary>
 		public static Action<CallbackType, string, bool> OnDebugCallback;
 
+		/// <summary>
+		/// Called if an exception happens during a callback/callresult.
+		/// This is needed because the exception isn't always accessible when running
+		/// async.. and can fail silently. With this hooked you won't be stuck wondering
+		/// what happened.
+		/// </summary>
+		public static Action<Exception> OnException;
+
 		#region interop
 		[DllImport( Platform.LibraryName, EntryPoint = "SteamAPI_ManualDispatch_Init", CallingConvention = CallingConvention.Cdecl )]
 		internal static extern void SteamAPI_ManualDispatch_Init();
@@ -99,6 +107,10 @@ namespace Steamworks
 					}
 				}
 			}
+			catch ( System.Exception e )
+			{
+				OnException?.Invoke( e );
+			}
 			finally
 			{
 				runningFrame = false;