An Xceed.FileSystem.AbstractFolder object that represents the folder that contains the folder, or a null reference (Nothing in Visual Basic) if the folder does not have a parent.
Remarks
If the current item is the root of a folder hierarchy, it has no parent folder. In this case, the ParentFolder property returns a null reference (Nothing in Visual Basic)
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