Gets or sets the time, in coordinated universal time (UTC), when the current file or directory was last written to.
Assembly: mscorlib (in mscorlib.dll)
Note This method may return an inaccurate value, because it uses native functions whose values may not be continuously updated by the operating system.
To get the latest value, call the Refresh method.
If the file described in the FileSystemInfo object does not exist, this property will return 12:00 midnight, January 1, 1601 A.D. (C.E.) Coordinated Universal Time (UTC).
This property value is null if the file system containing the file does not support this information.
These operating systems do not support this property, and DirectoryInfo implementations of this property are not supported.
for setting the last write time. Associated enumeration: FileIOPermissionAccess.Write
Available since 10
Available since 1.1