replace v6 with experimental v7 code

src/MpvNet/Settings.cs

@@ -0,0 +1,60 @@
+
+using System.Text;
+using System.Xml.Serialization;
+using System.Xml;
+using System.Drawing;
+
+namespace MpvNet;
+
+[Serializable()]
+public class AppSettings
+{
+    public bool InputDefaultBindingsFixApplied;
+    public bool ShowMenuFixApplied;
+    public int Volume = 70;
+    public List<string> RecentFiles = new List<string>();
+    public Point WindowLocation;
+    public Point WindowPosition;
+    public Size WindowSize;
+    public string ConfigEditorSearch = "Video:";
+    public string Mute = "no";
+}
+
+class SettingsManager
+{
+    public static string SettingsFile => Player.ConfigFolder + "settings.xml";
+
+    public static AppSettings Load()
+    {
+        if (!File.Exists(SettingsFile))
+            return new AppSettings();
+
+        try
+        {
+            XmlSerializer serializer = new XmlSerializer(typeof(AppSettings));
+            using FileStream fs = new FileStream(SettingsFile, FileMode.Open);
+            return (AppSettings)serializer.Deserialize(fs)!;
+        }
+        catch (Exception ex)
+        {
+            Terminal.WriteError(ex.ToString());
+            return new AppSettings();
+        }
+    }
+
+    public static void Save(object obj)
+    {
+        try
+        {
+            using XmlTextWriter writer = new XmlTextWriter(SettingsFile, Encoding.UTF8);
+            writer.Formatting = Formatting.Indented;
+            writer.Indentation = 4;
+            XmlSerializer serializer = new XmlSerializer(obj.GetType());
+            serializer.Serialize(writer, obj);
+        }
+        catch (Exception ex)
+        {
+            Terminal.WriteError(ex.ToString());
+        }
+    }
+}