protected abstract AbstractFolder DoParentFolder {get;}

'Declaration
 
Protected MustOverride ReadOnly Property DoParentFolder As AbstractFolder

'Usage
 
Dim instance As FileSystemItem
Dim value As AbstractFolder
 
value = instance.DoParentFolder

Property Value

If the current item is the root of a folder hierarchy, it has no parent folder. In this case, the ParentFolder property should return a null reference (Nothing in Visual Basic).

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

Reference

FileSystemItem Class
FileSystemItem Members