- initialize fader for newly found process

Lib.Audio/Channel.cs

@@ -72,7 +72,7 @@ namespace Lib.Audio
             ToggleSelectButtonLed();
             
             if (Controllable.IsValid)
-                InitializeFader(controllable);
+                InitializeFader();
         }
 
         private void UnMapControllable()
@@ -124,12 +124,12 @@ namespace Lib.Audio
             _acknowledgeMessage = null;
         }
 
-        private void InitializeFader(IControllable controllable)
+        private void InitializeFader()
         {
-            if (Fader == null)
+            if (Fader == null || Controllable == null)
                 return;
             
-            float volume = controllable.GetVolume();
+            float volume = Controllable.GetVolume();
             Fader.RelativePosition = volume;
             
             _midiCommunication.Send(new PitchWheelChangeMessage(0, _channelNumber, Fader.Position));
@@ -161,6 +161,8 @@ namespace Lib.Audio
                 return;
 
             Controllable = _controllableCollector.GetControllableForExecutable(Controllable.ExecutablePath);
+            if (Controllable != null)
+                InitializeFader();
         }
         
         private void OnProcessManagerProcessExited(object? sender, IObservedProcess process)