switch to MahApps controls and style

Why didn't I find this sooner?

EliteBGS/Util/AppConfig.cs

@@ -1,20 +1,14 @@
 using System.ComponentModel;
 
 namespace EliteBGS.Util {
-    public class AppConfig : INotifyPropertyChanged {
+    public class AppConfig {
         private static readonly string default_journal_location = "%UserProfile%\\Saved Games\\Frontier Developments\\Elite Dangerous";
         private string journal_location = default_journal_location;
-        private string lastdiscordlog;
-
         public string DefaultJournalLocation => default_journal_location;
+        private string colour = "Blue";
+        private string theme = "Dark";
 
-        public string LastUsedDiscordTemplate {
-            get => lastdiscordlog;
-            set {
-                lastdiscordlog = value;
-                FirePropertyChanged("LastUsedDiscordTemplate");
-            }
-        }
+        public string LastUsedDiscordTemplate { get; set; }
 
         public string JournalLocation {
             get {
@@ -25,14 +19,37 @@ namespace EliteBGS.Util {
             }
             set {
                 journal_location = value;
-                FirePropertyChanged("JournalLocation");
             }
         }
 
-        private void FirePropertyChanged(string property) {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(property));
+        public string Theme {
+            get {
+                return theme;
+            }
+            set {
+                if (string.IsNullOrEmpty(value)) {
+                    theme = "Dark";
+                } else {
+                    theme = value;
+                }
+            }
+        }
+        
+        public string Colour {
+            get {
+                return colour;
+            }
+            set {
+                if (string.IsNullOrEmpty(value)) {
+                    colour = "Blue";
+                } else {
+                    colour = value;
+                }
+            }
         }
 
-        public event PropertyChangedEventHandler PropertyChanged;
+        public string FullTheme {
+            get { return Theme + "." + Colour; }
+        }
     }
 }

EliteBGS/Util/Config.cs

@@ -12,15 +12,6 @@ namespace EliteBGS.Util {
 
         public Config() {
             DetermineConfigFolder();
-            global_config.PropertyChanged += Global_config_PropertyChanged;
-        }
-
-        private void Global_config_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
-            try {
-                SaveGlobal();
-            } catch (Exception) {
-                /* ignored */
-            }
         }
 
         public string ConfigPath => config_folder;
@@ -58,7 +49,6 @@ namespace EliteBGS.Util {
 
                 if (app != null) {
                     this.global_config = app;
-                    global_config.PropertyChanged += Global_config_PropertyChanged;
                 }
             }
         }