public static class RecycleBin
 {
  public static void DeleteToRecycleBin(string file)
  {
   var shf = new SHFILEOPSTRUCT
   {
    wFunc = FO_DELETE,
    fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION,
    // pFrom 需要在字符串后面加兩個 \0 才可以 https://docs.microsoft.com/en-us/windows/desktop/api/shellapi/ns-shellapi-_shfileopstructa
    pFrom = file + "\0"
   };
   SHFileOperation(ref shf);
  }

  [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto, Pack = 1)]
  private struct SHFILEOPSTRUCT
  {
   public int hwnd;
   [MarshalAs(UnmanagedType.U4)] public int wFunc;
   public string pFrom;
   public string pTo;
   public short fFlags;
   [MarshalAs(UnmanagedType.Bool)] public bool fAnyOperationsAborted;
   public int hNameMappings;
   public string lpszProgressTitle;
  }

  [DllImport("shell32.dll", CharSet = CharSet.Auto)]
  private static extern int SHFileOperation(ref SHFILEOPSTRUCT FileOp);

  private const int FO_DELETE = 3;
  private const int FOF_ALLOWUNDO = 0x40;
  private const int FOF_NOCONFIRMATION = 0x10;
 }

  static void Main(string[] args)
  {
   var folder = @"D:\lindexi\github\";
   var file = Path.Combine(folder, "歡迎訪問我博客 blog.lindexi.com 里面有大量 UWP WPF 博客.txt");
   Directory.CreateDirectory(folder);
   if (!File.Exists(file))
   {
    File.WriteAllText(file, "歡迎訪問我博客 blog.lindexi.com 里面有大量 UWP WPF 博客");
   }

   RecycleBin.DeleteToRecycleBin(file);
  }

Microsoft.VisualBasic.FileIO.FileSystem.DeleteDirectory(filename or folder,
  Microsoft.VisualBasic.FileIO.UIOption.OnlyErrorDialogs, 
  Microsoft.VisualBasic.FileIO.RecycleOption.SendToRecycleBin);