- implement iDriver

Lib.Driver/Xml/XmlDriver.cs

@@ -4,14 +4,15 @@
 
 using System.Collections.Generic;
 using System.Xml.Serialization;
+using Lib.Driver.Interfaces;
 
 namespace Lib.Driver.Xml
 {
     [XmlRoot("MidiDevice")]
-    public class XmlDriver
+    public class XmlDriver : IDriver
     {
         [XmlArray("Channels")]
         [XmlArrayItem("Channel", typeof(XmlChannel))]
-        public List<XmlChannel> Channels { get; set; }
+        public List<XmlChannel>? Channels { get; set; }
     }
 }