require 'java'
require 'jacob.jar'
 
import 'com.jacob.com.Variant'
import 'com.jacob.activeX.ActiveXComponent'
 
@shell = ActiveXComponent.new("Shell.Application")
@hwnd = Variant.new(0)
@title = Variant.new("Hello, COM(JACOB) World!")
@option = Variant.new(0)
@rootFolder = Variant.new(36)
@params = [ @hwnd, @title, @option, @rootFolder ]
@folder = @shell.invoke( "BrowseForFolder", @params )