ShSSL File Transfer's main windows look like following.
"Setting..." button on the left upper side of main window changes setting parameters. The button is disables while connection to server.
"Setting..." button on the right upper side of main window cancels tking time proceeses. The operation which able to cancel are file content sendings and receivings.
"Connect/Disconnect" button on the right upper side of main window connect to server and disconnect from server.
The outline view on the left side of the main window shows directory structure of remote host. Current version does not provides drag & drop opertion on this side.
The table view on the left side of the main window shows files listing in current directory. Drag & drop operation will done on this side only.