How to separate characters of a word in c# windows form app?

Linq should be recognized, update your VS' also:make sure you have written in that specific class "using System.Linq;"

yes substring is the best way to get the name of file

I have 2 questions: 1 I want to get all file's name in a folder.How can I do this? 2 How can I separate first 8 characters of a word?I wanna make a c# windows form app that is able to get a folder address and separate the pictures that their name is equal(first 8 characters show...