vb.net - VB 2010 How can i use to return a random sub folder and open that folder in windows explorer -

how can use vb 2010 return random sub directory , open directory in windows explorer.

i have got main directory c:\test\ , open or display path (as string) of random sub directory within test directory.

ideally take me random directory when button pressed on vb form.

i quiet new visual basic great.

try following code

private sub button1_click(sender system.object, e system.eventargs) handles button1.click     'directory info starting folder.     dim directoryinfo1 new io.directoryinfo("c:\test\")     'an array of subdirectories of starting folder.     dim directories1() io.directoryinfo = directoryinfo1.getdirectories("*", io.searchoption.alldirectories)      'random number generator.     dim random1 new random     'gets random index subdirectories array.     dim randomindex1 integer = random1.next(0, directories1.length - 1)      'shows path of random directory.     msgbox(directories1(randomindex1).fullname)      'opens random directory inside windows explorer.     process.start("explorer.exe", directories1(randomindex1).fullname) end sub