From aa4e59d0b5be7d23c860de655224ff2c8220d9b6 Mon Sep 17 00:00:00 2001
From: Simon G <simon.gockner@gmail.com>
Date: Wed, 12 May 2021 19:32:44 +0200
Subject: [PATCH] - fix case when message of channel that isn't initialized is
 received

---
 Lib.Audio/Device.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Lib.Audio/Device.cs b/Lib.Audio/Device.cs
index 881ec67..0f685e4 100644
--- a/Lib.Audio/Device.cs
+++ b/Lib.Audio/Device.cs
@@ -42,10 +42,10 @@ namespace Lib.Audio
 
         private void OnMidiCommunicationMessageReceived(object? sender, IMidiMessage message)
         {
-            IChannel channel = Channels.First(c => c.ChannelNumber == message.ChannelNumber);
+            IChannel? channel = Channels.FirstOrDefault(c => c.ChannelNumber == message.ChannelNumber);
             
-            channel.HandleMessage(message);
-            channel.SendAcknowledge();
+            channel?.HandleMessage(message);
+            channel?.SendAcknowledge();
         }
 
         private void OnMidiCommunicationErrorReceived(object? sender, IMidiMessage message) =>