Assembly: mscorlib (in mscorlib.dll)
/** @property */ public DateTime get_LastWriteTimeUtc () /** @property */ public void set_LastWriteTimeUtc (DateTime value)
public function get LastWriteTimeUtc () : DateTime public function set LastWriteTimeUtc (value : DateTime)
Property ValueThe UTC time when the current file was last written to.
When first called, FileSystemInfo calls Refresh and returns the cached information on APIs to get attributes and so on. On subsequent calls, you must call Refresh to get the latest copy of the information.
This property value is a null reference (Nothing in Visual Basic) if the file system containing the file does not support this information.
The following table lists examples of other typical or related I/O tasks.
To do this...
See the example in this topic...
Write to a text file.
Read from a text file.
Append text to a file.
Rename or move a file.
Get the attributes of a file.
Set the attributes of a file.
Windows 95, Windows 98, Windows 98 Second Edition Platform Note: These operating systems do not support this property, and DirectoryInfo implementations of this property are not supported.
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.