update nugets & cleanup

Pilz.Updating.UpdateInstaller/General.cs

@@ -1,23 +1,37 @@
-using global::System.IO;
-using global::System.Reflection;
+using System.IO;
+using System.Reflection;
+using Pilz.Plugins;
+using System.Configuration;
+using Z.Reflection.Extensions;
 
 namespace Pilz.Updating.UpdateInstaller
 {
     internal static class General
     {
-        private static string p = string.Empty;
+        private static string p = null;
 
         public static string MyAppPath
         {
             get
             {
                 if (string.IsNullOrEmpty(p))
-                {
                     p = Path.GetDirectoryName(IO.Extensions.GetExecutablePath());
-                }
-
                 return p;
             }
         }
+
+        public static void LoadAddons(bool isAfterCopyFiles, string folderPath)
+        {
+            var pluginsPath = Path.Combine(MyAppPath, "AddOns");
+            if (Directory.Exists(pluginsPath))
+            {
+                foreach (var subdir in Directory.GetDirectories(pluginsPath, string.Empty, SearchOption.TopDirectoryOnly))
+                {
+                    var pluginPath = Path.Combine(subdir, Path.GetFileName(subdir) + ".dll");
+                    if (File.Exists(pluginPath))
+                        PluginManager.Instance.LoadPlugin(pluginPath);
+                }
+            }
+        }
     }
 }