Just write this line :
If the folder does not exist yet, it will be created.
If the folder exists already, the line will be ignored.
Exposes static methods for creating, moving, and enumerating through directories and subdirectories.
All methods of the Directory class are static and...
How to Pass Command Line Arguments using Visual Studio. We wanted to test an application in Visual Studio that accepts command-line parameters for some testing, by specifying different test environments.