Change --config behavior to allow for multi instance

Dotnet/PWI/WorldDBManager.cs

@@ -734,9 +734,16 @@ namespace VRCX
 
         public void Stop()
         {
-            listener?.Stop();
-            listener?.Close();
-            worldDB?.Close();
+            try
+            {
+                worldDB?.Close();
+                listener?.Stop();
+                listener?.Close();
+            }
+            catch (ObjectDisposedException ex)
+            {
+                // ignore
+            }
         }
     }
 }

Dotnet/Program.cs

@@ -8,7 +8,6 @@ using NLog;
 using NLog.Targets;
 using System;
 using System.IO;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace VRCX
@@ -16,15 +15,19 @@ namespace VRCX
     public static class Program
     {
         public static string BaseDirectory { get; private set; }
-        public static readonly string AppDataDirectory = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "VRCX");
-        public static string ConfigLocation;
+        public static string AppDataDirectory;
+        public static string ConfigLocation { get; private set; }
         public static string Version { get; private set; }
         public static bool LaunchDebug;
         private static readonly NLog.Logger logger = NLog.LogManager.GetLogger("VRCX");
-        static Program()
+        
+        private static void SetProgramDirectories()
         {
+            if (string.IsNullOrEmpty(AppDataDirectory))
+                AppDataDirectory = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "VRCX");
+            
             BaseDirectory = AppDomain.CurrentDomain.BaseDirectory;
-            ConfigLocation = Path.Combine(Program.AppDataDirectory, "VRCX.sqlite3");
+            ConfigLocation = Path.Combine(AppDataDirectory, "VRCX.sqlite3");
 
             if (!Directory.Exists(AppDataDirectory))
             {
@@ -97,8 +100,6 @@ namespace VRCX
         [STAThread]
         private static void Main()
         {
-            ConfigureLogger();
-
             try
             {
                 Run();
@@ -127,8 +128,10 @@ namespace VRCX
         private static void Run()
         {
             BrowserSubprocess.Start();
-            Update.Check();
             StartupArgs.ArgsCheck();
+            SetProgramDirectories();
+            ConfigureLogger();
+            Update.Check();
             GetVersion();
 
             Application.EnableVisualStyles();

Dotnet/StartupArgs.cs

@@ -6,6 +6,7 @@
 
 using System;
 using System.Diagnostics;
+using System.IO;
 using System.IO.Pipes;
 using System.Text;
 using System.Windows.Forms;
@@ -31,14 +32,22 @@ namespace VRCX
                     LaunchCommand = arg.Substring(12);
 
                 if (arg.Length > 8 && arg.Substring(0, 8) == "--config")
-                    Program.ConfigLocation = arg.Substring(9);
+                {
+                    var filePath = arg.Substring(9);
+                    if (File.Exists(filePath))
+                    {
+                        MessageBox.Show("Move your \"VRCX.sqlite3\" into a folder then specify the folder in the launch parameter e.g.\n--config=\"C:\\VRCX\\\"", "--config is now a directory", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                        Environment.Exit(0);
+                    }
+                    Program.AppDataDirectory = filePath;
+                }
 
                 if ((arg.Length >= 7 && arg.Substring(0, 7) == "--debug") || isDebug)
                     Program.LaunchDebug = true;
             }
 
-            if (processList.Length > 1 && !string.IsNullOrEmpty(LaunchCommand))
-                return; // if we're launching with a parameter, allow it
+            if (!string.IsNullOrEmpty(Program.AppDataDirectory))
+                return; // we're launching with a custom config path, allow it
 
             // if we're launching a second instance, focus the first instance then exit
             if (processList.Length > 1)