Returns true if the file specified by RemoteFile exists on the remote server.
public boolean isFileExists();
This property returns True if the file exists on the remote server. It returns false if the file does not exist. You must specify the file you wish to check by setting the RemoteFile prior to calling this method.
If there is no session in place, the value of this property will always be false.
This property is read-only and not available at design time.