CreateDirectory()

Creates a new folder (directory) with a default security descriptor set by the system.

CreateDirectory(string dir_name)

Argument	Contents
dir_name	The full path name of the folder (directory) to create

The default security descriptor is the default for the given file system (read-only, etc.).
Child folders will inherit the characteristics of the parent folder.

// Create a new folder MyFiles in the Data folder on drive C

CreateDirectory("C:\\Data\\MyFiles")

Error Type	Meaning
Error	The dir_name already exists, the dir_name is null or not a valid name, or CreateDirectory() failed