You are a member of a team of developers creating several ASP.NET applications for XYZ. You want to create a reusable toolbar that will be used in each of the applications. The toolbar will be displayed at the top of each page viewed by the user. The contents of the toolbar will vary depending on options each user selects when creating a profile. You want to be able to add the toolbar to the ASP.NET toolbox for each of the developers on your team.What should you do?