Add winfsp library.

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "SabreTools"]
 	path = SabreTools
 	url = https://github.com/SabreTools/SabreTools
+[submodule "winfsp"]
+	path = winfsp
+	url = https://github.com/billziss-gh/winfsp/

RomRepoMgr.Core/Filesystem/Vfs.cs

@@ -0,0 +1,7 @@
+namespace RomRepoMgr.Core.Filesystem
+{
+    public class Vfs
+    {
+        public static bool IsAvailable => Winfsp.IsAvailable || Fuse.IsAvailable;
+    }
+}

RomRepoMgr.Core/Filesystem/Winfsp.cs

@@ -0,0 +1,28 @@
+using System;
+using Fsp;
+
+namespace RomRepoMgr.Core.Filesystem
+{
+    public class Winfsp : FileSystemBase
+    {
+        public static bool IsAvailable
+        {
+            get
+            {
+                try
+                {
+                    Version winfspVersion = FileSystemHost.Version();
+
+                    if(winfspVersion == null)
+                        return false;
+
+                    return winfspVersion.Major == 1 && winfspVersion.Minor >= 7;
+                }
+                catch(Exception)
+                {
+                    return false;
+                }
+            }
+        }
+    }
+}

RomRepoMgr.Core/RomRepoMgr.Core.csproj

@@ -16,6 +16,7 @@
       <ProjectReference Include="..\RomRepoMgr.Database\RomRepoMgr.Database.csproj" />
       <ProjectReference Include="..\RomRepoMgr.Settings\RomRepoMgr.Settings.csproj" />
       <ProjectReference Include="..\SabreTools\SabreTools.Library\SabreTools.Library.csproj" />
+      <ProjectReference Include="..\winfsp-netcore\winfsp-netcore.csproj" />
     </ItemGroup>
 
     <ItemGroup>

RomRepoMgr.sln

@@ -10,6 +10,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RomRepoMgr.Core", "RomRepoM
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SabreTools.Library", "SabreTools\SabreTools.Library\SabreTools.Library.csproj", "{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "winfsp-netcore", "winfsp-netcore\winfsp-netcore.csproj", "{4B2B4DAC-39E2-417D-90F2-DCC97A5564B1}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -36,5 +38,9 @@ Global
 		{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4B2B4DAC-39E2-417D-90F2-DCC97A5564B1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4B2B4DAC-39E2-417D-90F2-DCC97A5564B1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4B2B4DAC-39E2-417D-90F2-DCC97A5564B1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4B2B4DAC-39E2-417D-90F2-DCC97A5564B1}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

RomRepoMgr.sln.DotSettings

@@ -5,6 +5,7 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=romrepo/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=romrepombgrfs/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=unar/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Winfsp/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=xattr/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=xattrs/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=_0020_007B_000A_0020_0020_0020_0020/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

RomRepoMgr/ViewModels/MainWindowViewModel.cs

@@ -79,7 +79,7 @@ namespace RomRepoMgr.ViewModels
         public string RomSetTotalRomsLabel => Localization.RomSetTotalRomsLabel;
         public string RomSetHaveRomsLabel => Localization.RomSetHaveRomsLabel;
         public string RomSetMissRomsLabel => Localization.RomSetMissRomsLabel;
-        public bool IsVfsAvailable => Fuse.IsAvailable;
+        public bool IsVfsAvailable => Vfs.IsAvailable;
         public string FileMenuText => Localization.FileMenuText;
         public string FileMenuImportDatFileText => Localization.FileMenuImportDatFileText;
         public string FileMenuImportDatFolderText => Localization.FileMenuImportDatFolderText;

winfsp-netcore/winfsp-netcore.csproj

@@ -0,0 +1,34 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <RootNamespace>winfsp_netcore</RootNamespace>
+    </PropertyGroup>
+    
+    <PropertyGroup>
+        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    </PropertyGroup>
+    
+    <ItemGroup>
+      <Compile Include="..\winfsp\src\dotnet\FileSystemBase+Const.cs">
+        <Link>FileSystemBase+Const.cs</Link>
+      </Compile>
+      <Compile Include="..\winfsp\src\dotnet\FileSystemBase.cs">
+        <Link>FileSystemBase.cs</Link>
+      </Compile>
+      <Compile Include="..\winfsp\src\dotnet\FileSystemHost.cs">
+        <Link>FileSystemHost.cs</Link>
+      </Compile>
+      <Compile Include="..\winfsp\src\dotnet\Interop.cs">
+        <Link>Interop.cs</Link>
+      </Compile>
+      <Compile Include="..\winfsp\src\dotnet\Service.cs">
+        <Link>Service.cs</Link>
+      </Compile>
+    </ItemGroup>
+    
+    <ItemGroup>
+      <PackageReference Include="Microsoft.Win32.Registry" Version="4.7.0" />
+      <PackageReference Include="System.IO.FileSystem.AccessControl" Version="4.7.0" />
+    </ItemGroup>
+</Project>