BExplorer.Shell.Interop.FileIcon.GetInfo C# (CSharp) Method

        public void GetInfo()
        {
            ShellIcon = null;
            TypeName = "";
            DisplayName = "";

            SHFILEINFO shfi = new SHFILEINFO();
            uint shfiSize = (uint)Marshal.SizeOf(shfi.GetType());

            int ret = SHGetFileInfo(FileName, 0, ref shfi, shfiSize, (uint)(Flags));
            if (ret != 0)
            {
                if (shfi.hIcon != IntPtr.Zero)
                {
                    ShellIcon = System.Drawing.Icon.FromHandle(shfi.hIcon);
                    // Now owned by the GDI+ object
                    //DestroyIcon(shfi.hIcon);
                }
                TypeName = shfi.szTypeName;
                DisplayName = shfi.szDisplayName;
            }
            else
            {
                int err = GetLastError();
                Console.WriteLine($"Error {err}");
                string txtS = new string('\0', 256);
                int len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, IntPtr.Zero, err, 0, txtS, 256, 0);
                Console.WriteLine($"Len {len} text {txtS}");
            }
        }