First nice version

ConfigGenerator/EnhancedPropertyGrid.cs

@@ -2,16 +2,24 @@
 
 namespace ConfigGenerator {
 	internal sealed class EnhancedPropertyGrid : PropertyGrid {
+		private ASFConfig ASFConfig;
 		internal EnhancedPropertyGrid(ASFConfig config) : base() {
 			if (config == null) {
 				return;
 			}
 
+			ASFConfig = config;
+
 			SelectedObject = config;
 			Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
 			Dock = DockStyle.Fill;
 			HelpVisible = false;
 			ToolbarVisible = false;
 		}
+
+		protected override void OnPropertyValueChanged(PropertyValueChangedEventArgs e) {
+			base.OnPropertyValueChanged(e);
+			ASFConfig.Save();
+		}
 	}
 }