files-community · lukeblevins · Mar 24, 2022
diff --git a/...rvices/Settings/IUpdateSettingsService.cs → src/Files.Backend/Services/IUpdateService.cs b/...rvices/Settings/IUpdateSettingsService.cs → src/Files.Backend/Services/IUpdateService.cs
@@ -1,9 +1,9 @@
 using System.ComponentModel;
 using System.Threading.Tasks;
 
-namespace Files.Backend.Services.Settings
+namespace Files.Backend.Services
 {
-    public interface IUpdateSettingsService : IBaseSettingsService, INotifyPropertyChanged
+    public interface IUpdateService : INotifyPropertyChanged
     {
         /// <summary>
         /// Gets a value indicating whether updates are available.

diff --git a/src/Files.Backend/Services/Settings/IAppearanceSettingsService.cs b/src/Files.Backend/Services/Settings/IAppearanceSettingsService.cs
@@ -62,5 +62,10 @@ public interface IAppearanceSettingsService : IBaseSettingsService, INotifyPrope
         /// Gets or sets a value indicating whether or not recycle bin should be pinned to the sidebar.
         /// </summary>
         bool PinRecycleBinToSidebar { get; set; }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether or not to use the compact styles.
+        /// </summary>
+        bool UseCompactStyles { get; set; }
     }
 }
diff --git a/src/Files.Launcher/Helpers/FileUtils.cs b/src/Files.Launcher/Helpers/FileUtils.cs
@@ -80,7 +80,7 @@ static extern int RmGetList(uint dwSessionHandle,
         /// http://wyupdate.googlecode.com/svn-history/r401/trunk/frmFilesInUse.cs (no copyright in code at time of viewing)
         ///
         /// </remarks>
-        static public List<Process> WhoIsLocking(string path)
+        public static List<Process> WhoIsLocking(string[] resources)
         {
             string key = Guid.NewGuid().ToString();
             List<Process> processes = new List<Process>();
@@ -94,8 +94,6 @@ static public List<Process> WhoIsLocking(string path)
                 uint pnProcInfo = 0;
                 uint lpdwRebootReasons = RmRebootReasonNone;
 
-                string[] resources = new string[] { path }; // Just checking on one resource.
-
                 res = RmRegisterResources(handle, (uint)resources.Length, resources, 0, null, 0, null);
 
                 if (res != 0) throw new Exception("Could not register resource.");

diff --git a/src/Files.Launcher/Helpers/ShellNewMenuHelper.cs b/src/Files.Launcher/Helpers/ShellNewMenuHelper.cs
@@ -69,9 +69,10 @@ private static async Task<ShellNewEntry> GetShellNewRegistryEntries(RegistryKey
         private static async Task<ShellNewEntry> ParseShellNewRegistryEntry(RegistryKey key, RegistryKey root)
         {
             var valueNames = key.GetValueNames();
-            if (!valueNames.Contains("NullFile") &&
-                !valueNames.Contains("ItemName") &&
-                !valueNames.Contains("FileName"))
+            if (!valueNames.Contains("NullFile", StringComparer.OrdinalIgnoreCase) &&
+                !valueNames.Contains("ItemName", StringComparer.OrdinalIgnoreCase) &&
+                !valueNames.Contains("FileName", StringComparer.OrdinalIgnoreCase) &&
+                !valueNames.Contains("Command", StringComparer.OrdinalIgnoreCase))
             {
                 return null;
             }

diff --git a/src/Files.Launcher/MessageHandlers/FileOperationsHandler.cs b/src/Files.Launcher/MessageHandlers/FileOperationsHandler.cs
@@ -610,6 +610,31 @@ await Win32API.StartSTATask(() =>
                     }
                     break;
 
+                case "CheckFileInUse":
+                    {
+                        var fileToCheckPath = ((string)message["filepath"]).Split('|');
+                        var processes = SafetyExtensions.IgnoreExceptions(() => FileUtils.WhoIsLocking(fileToCheckPath), Program.Logger);
+                        if (processes != null)
+                        {
+                            var win32proc = processes.Select(x => new Win32Process()
+                            {
+                                Name = x.ProcessName,
+                                Pid = x.Id,
+                                FileName = x.MainModule?.FileName
+                            }).ToList();
+                            processes.ForEach(x => x.Dispose());
+                            await Win32API.SendMessageAsync(connection, new ValueSet() {
+                                { "Processes", JsonConvert.SerializeObject(win32proc) }
+                            }, message.Get("RequestID", (string)null));
+                        }
+                        else
+                        {
+                            await Win32API.SendMessageAsync(connection, new ValueSet(), 
+                                message.Get("RequestID", (string)null));
+                        }
+                    }
+                    break;
+
                 case "ParseLink":
                     try
                     {

diff --git a/src/Files.Launcher/MessageHandlers/Win32MessageHandler.cs b/src/Files.Launcher/MessageHandlers/Win32MessageHandler.cs
@@ -163,7 +163,7 @@ public async Task ParseArgumentsAsync(PipeStream connection, Dictionary<string,
                         var dataPath = Environment.ExpandEnvironmentVariables("%LocalAppData%\\Files");
                         if (enable)
                         {
-                            if (!Win32API.RunPowershellCommand($"-command \"New-Item -Force -Path {dataPath} -ItemType Directory; Copy-Item -Filter *.* -Path '{destFolder}\\*' -Recurse -Force -Destination '{dataPath}'\"", false))
+                            if (!Win32API.RunPowershellCommand($"-command \"New-Item -Force -Path '{dataPath}' -ItemType Directory; Copy-Item -Filter *.* -Path '{destFolder}\\*' -Recurse -Force -Destination '{dataPath}'\"", false))
                             {
                                 // Error copying files
                                 DetectIsSetAsDefaultFileManager();

diff --git a/src/Files.OpenDialog/CustomOpenDialog/CustomOpenDialog.vcxproj b/src/Files.OpenDialog/CustomOpenDialog/CustomOpenDialog.vcxproj
@@ -169,7 +169,7 @@
       <OutputFile>$(OutDir)CustomOpenDialog$(PlatformArchitecture)$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.dll $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.dll" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -205,7 +205,7 @@
       <OutputFile>$(OutDir)CustomOpenDialog$(PlatformArchitecture)$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.dll $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.dll" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|arm64'">
@@ -242,7 +242,7 @@
       <OutputFile>$(OutDir)CustomOpenDialog$(PlatformArchitecture)$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.dll $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.dll" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -281,7 +281,7 @@
       <OutputFile>$(OutDir)CustomOpenDialog$(PlatformArchitecture)$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.dll $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.dll" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -319,7 +319,7 @@
       <OutputFile>$(OutDir)CustomOpenDialog$(PlatformArchitecture)$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.dll $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.dll" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|arm64'">
@@ -358,7 +358,7 @@
       <OutputFile>$(OutDir)CustomOpenDialog$(PlatformArchitecture)$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.dll $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.dll" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>

diff --git a/src/Files.OpenDialog/FilesLauncher/FilesLauncher.cpp b/src/Files.OpenDialog/FilesLauncher/FilesLauncher.cpp
@@ -340,7 +340,6 @@ bool OpenInExistingShellWindow(const TCHAR* folderPath)
 
 	bool opened = false;
 	IShellWindows* shellWindows;
-	long shellWindowsCount;
 	if (SUCCEEDED(CoCreateInstance(CLSID_ShellWindows, NULL, CLSCTX_LOCAL_SERVER, IID_IShellWindows, (void**)&shellWindows)))
 	{
 		VARIANT v;

diff --git a/src/Files.OpenDialog/FilesLauncher/FilesLauncher.vcxproj b/src/Files.OpenDialog/FilesLauncher/FilesLauncher.vcxproj
@@ -128,14 +128,15 @@
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <OutputFile>$(OutDir)FilesLauncher$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.exe $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.exe" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -147,6 +148,7 @@
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -156,7 +158,7 @@
       <OutputFile>$(OutDir)FilesLauncher$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.exe $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.exe" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -166,14 +168,15 @@
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <OutputFile>$(OutDir)FilesLauncher$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.exe $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.exe" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|arm64'">
@@ -183,14 +186,15 @@
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <OutputFile>$(OutDir)FilesLauncher$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.exe $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.exe" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -202,6 +206,7 @@
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -211,7 +216,7 @@
       <OutputFile>$(OutDir)FilesLauncher$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.exe $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.exe" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|arm64'">
@@ -223,6 +228,7 @@
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp17</LanguageStandard>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -232,7 +238,7 @@
       <OutputFile>$(OutDir)FilesLauncher$(TargetExt)</OutputFile>
     </Link>
     <PostBuildEvent>
-      <Command>xcopy /s /y $(ProjectDir)$(OutDir)*.exe $(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog</Command>
+      <Command>xcopy /s /y "$(ProjectDir)$(OutDir)*.exe" "$(ProjectDir)..\..\..\src\Files.Launcher\Assets\FilesOpenDialog"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>

diff --git a/src/Files.Shared/Enums/CopyEngineResult.cs b/src/Files.Shared/Enums/CopyEngineResult.cs
@@ -0,0 +1,82 @@
+namespace Files.Shared.Enums
+{
+    public struct CopyEngineResult
+    {
+        // https://github.com/RickStrahl/DeleteFiles/blob/master/DeleteFiles/ZetaLongPaths/Native/FileOperations/Interop/CopyEngineResult.cs
+        // Ok
+        public const int S_OK = 0;
+        public const int COPYENGINE_S_DONT_PROCESS_CHILDREN = 2555912;
+        public const int COPYENGINE_E_USER_CANCELLED = -2144927744;
+        // Access denied
+        public const int COPYENGINE_E_ACCESS_DENIED_SRC = -2144927711;
+        public const int COPYENGINE_E_ACCESS_DENIED_DEST = -2144927710;
+        public const int COPYENGINE_E_REQUIRES_ELEVATION = -2144927742;
+        // Path too long
+        public const int COPYENGINE_E_PATH_TOO_DEEP_SRC = -2144927715;
+        public const int COPYENGINE_E_PATH_TOO_DEEP_DEST = -2144927714;
+        public const int COPYENGINE_E_RECYCLE_PATH_TOO_LONG = -2144927688;
+        public const int COPYENGINE_E_NEWFILE_NAME_TOO_LONG = -2144927685;
+        public const int COPYENGINE_E_NEWFOLDER_NAME_TOO_LONG = -2144927684;
+        // Not found
+        public const int COPYENGINE_E_RECYCLE_BIN_NOT_FOUND = -2144927686;
+        public const int COPYENGINE_E_PATH_NOT_FOUND_SRC = -2144927709;
+        public const int COPYENGINE_E_PATH_NOT_FOUND_DEST = -2144927708;
+        public const int COPYENGINE_E_NET_DISCONNECT_DEST = -2144927706;
+        public const int COPYENGINE_E_NET_DISCONNECT_SRC = -2144927707;
+        public const int COPYENGINE_E_CANT_REACH_SOURCE = -2144927691;
+        // File in use
+        public const int COPYENGINE_E_SHARING_VIOLATION_SRC = -2144927705;
+        public const int COPYENGINE_E_SHARING_VIOLATION_DEST = -2144927704;
+        // Already exists
+        public const int COPYENGINE_E_ALREADY_EXISTS_NORMAL = -2144927703;
+        public const int COPYENGINE_E_ALREADY_EXISTS_READONLY = -2144927702;
+        public const int COPYENGINE_E_ALREADY_EXISTS_SYSTEM = -2144927701;
+        public const int COPYENGINE_E_ALREADY_EXISTS_FOLDER = -2144927700;
+        // File too big
+        //public const int COPYENGINE_E_FILE_TOO_LARGE = -2144927731;
+        //public const int COPYENGINE_E_REMOVABLE_FULL = -2144927730;
+        //public const int COPYENGINE_E_DISK_FULL = -2144927694;
+        //public const int COPYENGINE_E_DISK_FULL_CLEAN = -2144927693;
+        //public const int COPYENGINE_E_RECYCLE_SIZE_TOO_BIG = -2144927689;
+        // Invalid path
+        public const int COPYENGINE_E_FILE_IS_FLD_DEST = -2144927732;
+        public const int COPYENGINE_E_FLD_IS_FILE_DEST = -2144927733;
+        //public const int COPYENGINE_E_INVALID_FILES_SRC = -2144927717;
+        //public const int COPYENGINE_E_INVALID_FILES_DEST = -2144927716;
+        //public const int COPYENGINE_E_SAME_FILE = -2144927741;
+        //public const int COPYENGINE_E_DEST_SAME_TREE = -2144927734;
+        //public const int COPYENGINE_E_DEST_SUBTREE = -2144927735;
+
+        public static FileSystemStatusCode Convert(int? hres)
+        {
+            return hres switch
+            {
+                CopyEngineResult.S_OK => FileSystemStatusCode.Success,
+                CopyEngineResult.COPYENGINE_E_ACCESS_DENIED_SRC => FileSystemStatusCode.Unauthorized,
+                CopyEngineResult.COPYENGINE_E_ACCESS_DENIED_DEST => FileSystemStatusCode.Unauthorized,
+                CopyEngineResult.COPYENGINE_E_REQUIRES_ELEVATION => FileSystemStatusCode.Unauthorized,
+                CopyEngineResult.COPYENGINE_E_RECYCLE_PATH_TOO_LONG => FileSystemStatusCode.NameTooLong,
+                CopyEngineResult.COPYENGINE_E_NEWFILE_NAME_TOO_LONG => FileSystemStatusCode.NameTooLong,
+                CopyEngineResult.COPYENGINE_E_NEWFOLDER_NAME_TOO_LONG => FileSystemStatusCode.NameTooLong,
+                CopyEngineResult.COPYENGINE_E_PATH_TOO_DEEP_SRC => FileSystemStatusCode.NameTooLong,
+                CopyEngineResult.COPYENGINE_E_PATH_TOO_DEEP_DEST => FileSystemStatusCode.NameTooLong,
+                CopyEngineResult.COPYENGINE_E_PATH_NOT_FOUND_SRC => FileSystemStatusCode.NotFound,
+                CopyEngineResult.COPYENGINE_E_PATH_NOT_FOUND_DEST => FileSystemStatusCode.NotFound,
+                CopyEngineResult.COPYENGINE_E_NET_DISCONNECT_DEST => FileSystemStatusCode.NotFound,
+                CopyEngineResult.COPYENGINE_E_NET_DISCONNECT_SRC => FileSystemStatusCode.NotFound,
+                CopyEngineResult.COPYENGINE_E_CANT_REACH_SOURCE => FileSystemStatusCode.NotFound,
+                CopyEngineResult.COPYENGINE_E_RECYCLE_BIN_NOT_FOUND => FileSystemStatusCode.NotFound,
+                CopyEngineResult.COPYENGINE_E_ALREADY_EXISTS_NORMAL => FileSystemStatusCode.AlreadyExists,
+                CopyEngineResult.COPYENGINE_E_ALREADY_EXISTS_READONLY => FileSystemStatusCode.AlreadyExists,
+                CopyEngineResult.COPYENGINE_E_ALREADY_EXISTS_SYSTEM => FileSystemStatusCode.AlreadyExists,
+                CopyEngineResult.COPYENGINE_E_ALREADY_EXISTS_FOLDER => FileSystemStatusCode.AlreadyExists,
+                CopyEngineResult.COPYENGINE_E_FILE_IS_FLD_DEST => FileSystemStatusCode.NotAFile,
+                CopyEngineResult.COPYENGINE_E_FLD_IS_FILE_DEST => FileSystemStatusCode.NotAFolder,
+                CopyEngineResult.COPYENGINE_E_SHARING_VIOLATION_SRC => FileSystemStatusCode.InUse,
+                CopyEngineResult.COPYENGINE_E_SHARING_VIOLATION_DEST => FileSystemStatusCode.InUse,
+                null => FileSystemStatusCode.Generic,
+                _ => FileSystemStatusCode.Generic
+            };
+        }
+    }
+}
diff --git a/src/Files.Shared/Extensions/DateExtensions.cs b/src/Files.Shared/Extensions/DateExtensions.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Runtime.InteropServices.ComTypes;
+
+namespace Files.Shared.Extensions
+{
+    public static class DateExtensions
+    {
+        public static DateTime ToDateTime(this FILETIME time)
+        {
+            uint low = (uint)time.dwLowDateTime;
+            ulong high = (ulong)time.dwHighDateTime;
+            long fileTime = (long)((high << 32) + low);
+            try
+            {
+                return DateTime.FromFileTimeUtc(fileTime);
+            }
+            catch
+            {
+                return DateTime.FromFileTimeUtc(0xFFFFFFFF);
+            }
+        }
+    }
+}