string userName = "username";
string password = "password";
string target = "http://server//Includes/api.inc.php";

// this method authorizes the given user and returns true or false
var authOk = Authentification.Authorize(userName, password, target);

var fileSystemKernel = new FileSystemKernel(target);

// creating new dir in root direcotry
fileSystemKernel.CreateDirectory(-1, "Dir-Name");

// move any entry (file or direcotry)
var result = fileSystemKernel.MoveEntryById(1, 2);

// Upload file
using (var fileInfo = new FileInfo(@"DataPath"))
{
  var result = fileSystemKernel.UploadFile(-1, fileInfo);
}