The relativeName parameter can include relative path information, in which ".." means "previous folder". For example: "folder/file.txt", "../file.txt", etc.
This method allows to get a reference to an AbstractFile object for a file that exists, as well as for a file that does not exist. Further, the folder on which this method is called may not exist.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2