도면에서 표 추출

Models/SettingsManager.cs

@@ -0,0 +1,25 @@
+using Newtonsoft.Json;
+using System.IO;
+
+namespace DwgExtractorManual.Models
+{
+    public static class SettingsManager
+    {
+        private static readonly string SettingsFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "settings.json");
+
+        public static void SaveSettings(AppSettings settings)
+        {
+            string json = JsonConvert.SerializeObject(settings, Formatting.Indented);
+            File.WriteAllText(SettingsFilePath, json);
+        }
+
+        public static AppSettings? LoadSettings()
+        {
+            if (!File.Exists(SettingsFilePath))
+            { return null; }
+
+            string json = File.ReadAllText(SettingsFilePath);
+            return JsonConvert.DeserializeObject<AppSettings>(json);
+        }
+    }
+}