to read sub directories and all files in a directory

Write this function

public static List GetAllFiles(string directory)

{

return Directory.GetFiles(directory, "*", SearchOption.AllDirectories).ToList();

}

and call this function in any event handler like button click like below

List Files = GetAllFiles(Environment.CurrentDirectory);

Hi ,

check this

https://msdn.microsoft.com/en-in/library/dd997370(v=vs.110).aspx

Use this

string[] files = Directory.GetFiles(directory, "*.dll",

SearchOption.AllDirectories);