protected abstract DateTime DoLastWriteDateTime {get; set;}

'Declaration
 
Protected MustOverride Property DoLastWriteDateTime As Date

'Usage
 
Dim instance As FileSystemItem
Dim value As Date
 
instance.DoLastWriteDateTime = value
 
value = instance.DoLastWriteDateTime

Property Value

When changing the item's modification date through this property, the physical item should be immediately modified if it exists. If it does not exist, the date should be cached and applied whenever this item is created.

Some types of items may not expose a modification date and time; in this case, DoHasLastWriteDateTime should return false to prevent DoLastWriteDateTime from being called.

Other types of items that do expose a modification date and time may not have the information available. In this case, System.DateTime.MinValue should be returned.

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