FtpDLX GetFile needs LocalPath (wodSFTP / wodSFTP.NET / wodSFTPdll)

I am using code with the demo library that looks like the following.

[code]
FtpDLX Ftp1 = new FtpDLX();
...
MemoryStream ms = new MemoryStream(20 * 1024);
Ftp1.LocalPath= . ;
Ftp1.GetFile(ms, var);

[/code]

The above code should not require a local path given
that it is writing to memory.

However if the LocalPath is not set than an exception
is thrown saying that the LocalPath must be set.

I want to verify that it is not writing to the file system
even temporarily.