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Language: VBNET
Expertise: beginner

Jan 19, 2002

Visual Basic 6's MkDir command, as well as the DOS MD command, can create only one subdirectory and fail if any subdirectory on the specified path doesn't exist:

' This VB6 statement fails if C:\MyApp doesn't exist
MKDIR "c:\MyApp\MyDir"

Conversely, the Directory.CreateDirectory method of Visual Basic .NET creates a directory, and all the intermediate directories on the path, if necessary:

' Next VB.NET line works even if the C:\MyApp directory doesn't exist yet.
Directory.CreateDirectory("C:\MyApp\Data")