try this:

vb Code:
  1. Dim di As New IO.DirectoryInfo("C:\Users\TECHKER\Desktop\PROGRAMMING\PROJECTS\trainersTool\images\plyo")

  2. Dim theFiles = (From fi In di.GetFiles _

  3.                         Select fi.Name).ToList

  4.  
  5. Me.ListBox1.DataSource = theFiles