Resolves shell links

ShellLink.cs

public static class ShellLink
{
    public static string Resolve(string shortcutPath)
    {
        var link = new CShellLink();
        ((IPersistFile)link).Load(shortcutPath, STGM_READ);

        var result = new StringBuilder(MAX_PATH);

        // ReSharper disable once RedundantAssignment
        var findData = new WIN32_FIND_DATAW();
        ((IShellLinkW)link).GetPath(result, result.Capacity, out findData, 0);

        return result.ToString();
    }

    // ReSharper disable InconsistentNaming
    // ReSharper disable UnusedMember.Local
    // ReSharper disable FieldCanBeMadeReadOnly.Local
    // ReSharper disable MemberCanBePrivate.Local

    [DllImport("shfolder.dll", CharSet = CharSet.Auto)]
    internal static extern int SHGetFolderPath(IntPtr hwndOwner, int nFolder, IntPtr hToken, int dwFlags, StringBuilder lpszPath);

    [Flags]
    enum SLGP_FLAGS
    {
        SLGP_SHORTPATH = 0x1,
        SLGP_UNCPRIORITY = 0x2,
        SLGP_RAWPATH = 0x4
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
    struct WIN32_FIND_DATAW
    {
        public uint dwFileAttributes;
        public long ftCreationTime;
        public long ftLastAccessTime;
        public long ftLastWriteTime;
        public uint nFileSizeHigh;
        public uint nFileSizeLow;
        public uint dwReserved0;
        public uint dwReserved1;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
        public string cFileName;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 14)]
        public string cAlternateFileName;
    }

    [Flags]
    enum SLR_FLAGS
    {
        SLR_NO_UI = 0x1,
        SLR_ANY_MATCH = 0x2,
        SLR_UPDATE = 0x4,
        SLR_NOUPDATE = 0x8,
        SLR_NOSEARCH = 0x10,
        SLR_NOTRACK = 0x20,
        SLR_NOLINKINFO = 0x40,
        SLR_INVOKE_MSI = 0x80
    }

    [ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("000214F9-0000-0000-C000-000000000046")]
    interface IShellLinkW
    {
        void GetPath([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile, int cchMaxPath, out WIN32_FIND_DATAW pfd, SLGP_FLAGS fFlags);
        void GetIDList(out IntPtr ppidl);
        void SetIDList(IntPtr pidl);
        void GetDescription([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName, int cchMaxName);
        void SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
        void GetWorkingDirectory([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir, int cchMaxPath);
        void SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
        void GetArguments([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs, int cchMaxPath);
        void SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
        void GetHotkey(out short pwHotkey);
        void SetHotkey(short wHotkey);
        void GetShowCmd(out int piShowCmd);
        void SetShowCmd(int iShowCmd);
        void GetIconLocation([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath, int cchIconPath, out int piIcon);
        void SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath, int iIcon);
        void SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel, int dwReserved);
        void Resolve(IntPtr hwnd, SLR_FLAGS fFlags);
        void SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
    }

    [ComImport, Guid("0000010c-0000-0000-c000-000000000046"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IPersist
    {
        [PreserveSig]
        void GetClassID(out Guid pClassID);
    }

    [ComImport, Guid("0000010b-0000-0000-C000-000000000046"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IPersistFile : IPersist
    {
        new void GetClassID(out Guid pClassID);

        [PreserveSig]
        int IsDirty();

        [PreserveSig]
        void Load([In, MarshalAs(UnmanagedType.LPWStr)] string pszFileName, uint dwMode);

        [PreserveSig]
        void Save([In, MarshalAs(UnmanagedType.LPWStr)] string pszFileName, [In, MarshalAs(UnmanagedType.Bool)] bool fRemember);

        [PreserveSig]
        void SaveCompleted([In, MarshalAs(UnmanagedType.LPWStr)] string pszFileName);

        [PreserveSig]
        void GetCurFile([In, MarshalAs(UnmanagedType.LPWStr)] string ppszFileName);
    }

    const uint STGM_READ = 0;
    const int MAX_PATH = 260;

    [ComImport, Guid("00021401-0000-0000-C000-000000000046")]
    public class CShellLink
    {
    }

    // ReSharper restore MemberCanBePrivate.Local
    // ReSharper restore FieldCanBeMadeReadOnly.Local
    // ReSharper restore UnusedMember.Local
    // ReSharper restore InconsistentNaming
}