system.io Path Combine
namespace: System.IO //c# var folder = "C:temp"; var fileName = "note.txt"; var completePath = Path.Combine(folder, filename); //return: "C:tempnote.txt" //vb Dim folder As String = "C:temp"; Dim fileName As String = "note.txt"; Dim completePath As String = Path.Combine(folder, filename); //return: "C:tempnote.txt"