[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Moves a file or a directory and its contents to a new location.
Assembly: mscorlib (in mscorlib.dll)
An attempt was made to move a directory to a different volume.
destDirName already exists.
The sourceDirName and destDirName parameters refer to the same file or directory.
The caller does not have the required permission.
sourceDirName or destDirName is a zero-length string, contains only white space, or contains one or more invalid characters.
sourceDirName or destDirName 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.
The path specified by sourceDirName is invalid (for example, it is on an unmapped drive).
Windows PhoneThis member has a SecurityCriticalAttribute attribute. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.