More work on Windows service, cleanup.

windows/ZeroTierOneService/Service.cs

@@ -1,12 +1,9 @@
 using System;
+using System.IO;
 using System.Collections.Generic;
-using System.ComponentModel;
 using System.Data;
 using System.Diagnostics;
-using System.Linq;
 using System.ServiceProcess;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ZeroTierOneService
 {
@@ -15,14 +12,45 @@ namespace ZeroTierOneService
         public Service()
         {
             InitializeComponent();
+
+            this.ztHome = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData) + Path.DirectorySeparatorChar + "ZeroTier" + Path.DirectorySeparatorChar + "One";
+            this.ztUpdatesFolder = this.ztHome + Path.DirectorySeparatorChar + "updates.d";
+            this.ztBinary = this.ztHome + Path.DirectorySeparatorChar + (Environment.Is64BitOperatingSystem ? "zerotier-one_x64.exe" : "zerotier-one_x86.exe");
+
+            this.ztService = null;
         }
 
         protected override void OnStart(string[] args)
         {
+            startZeroTierService();
         }
 
         protected override void OnStop()
         {
+            stopZeroTierService();
         }
+
+        private void startZeroTierService()
+        {
+        }
+
+        private void stopZeroTierService()
+        {
+            if (ztService != null)
+            {
+                ztService.Kill();
+                ztService = null;
+            }
+        }
+
+        private void ztService_Exited(object sender, System.EventArgs e)
+        {
+        }
+
+        private string ztHome;
+        private string ztUpdatesFolder;
+        private string ztBinary;
+
+        private Process ztService;
     }
 }