Thanks, I re-formatted the SD card on my PC and now it works, I am able to read and write files. Probably the formatting was corrupted.
Another question: In the NETMF Format function
public void Format (
There are these parameters:
parameter - A parameter to guide formatting for the specified file system.
force - Set to true in order to force removal of the rooted namespace of this volume, or false otherwise.
What are these parameters for, “parameter” and “force”? What do they do? Should “force” be true or false?