Returns the date and time the specified file or directory was last written to.
Assembly: mscorlib (in mscorlib.dll)
- Type: System.String
The file or directory for which to obtain write date and time information.
The caller does not have the required permission.
path is a zero-length string, contains only white space, or contains one or more invalid characters as defined by GetInvalidPathChars.
path is null.
The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.
path is in an invalid format.