Cleanup FolderDialogUtil

Util/FolderDialogUtil.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Text;
@@ -9,6 +10,8 @@ using MelonLoader;
 
 namespace ADOFAIRenderer.Util;
 
+[SuppressMessage("ReSharper", "InconsistentNaming")]
+[SuppressMessage("ReSharper", "UnusedMember.Local")]
 internal static class FolderDialogUtil
 {
     private static int _isDialogOpen;
@@ -187,14 +190,12 @@ internal static class FolderDialogUtil
 
     private static string? OpenWindowsFolderBrowserModern(string initialDirectory, IntPtr ownerHandle)
     {
-        IFileOpenDialog? dialog = null;
-
         // 1. Try native CoCreateInstance first (works on Mono and .NET without class registration)
         var clsid = CLSID_FileOpenDialog;
         var iid = IID_IFileOpenDialog;
-        int createHr = CoCreateInstance(ref clsid, IntPtr.Zero, 1 /* CLSCTX_INPROC_SERVER */, ref iid, out dialog);
+        int createHr = CoCreateInstance(ref clsid, IntPtr.Zero, 1 /* CLSCTX_INPROC_SERVER */, ref iid, out var dialog);
 
-        if (createHr != 0 || dialog == null)
+        if (createHr != 0)
         {
             // 2. Fallback to Activator via Type.GetTypeFromCLSID
             var comType = Type.GetTypeFromCLSID(CLSID_FileOpenDialog);
@@ -224,7 +225,7 @@ internal static class FolderDialogUtil
                     {
                         var shellItemGuid = IID_IShellItem;
                         int itemHr = SHCreateItemFromParsingName(normalized, IntPtr.Zero, ref shellItemGuid, out var initialItem);
-                        if (itemHr == 0 && initialItem != null)
+                        if (itemHr == 0)
                         {
                             try
                             {
@@ -263,7 +264,6 @@ internal static class FolderDialogUtil
             }
 
             dialog.GetResult(out var resultItem);
-            if (resultItem == null) return null;
 
             try
             {
@@ -319,7 +319,7 @@ internal static class FolderDialogUtil
                     if (Directory.Exists(normalized))
                     {
                         initialDirPtr = Marshal.StringToHGlobalUni(normalized);
-                        callback = (hwnd, uMsg, lParam, lpData) =>
+                        callback = (hwnd, uMsg, _, lpData) =>
                         {
                             if (uMsg == BFFM_INITIALIZED && lpData != IntPtr.Zero)
                             {