title: Changing AppID and AppName based on user input
body: <p>I want to install the same application multiple times on the same system, for example for two user using two different web services (each one has their own).</p>
  
  <ol>
  <li><p>In in my setup script I want to change the <code>AppID</code> and <code>AppName</code> based on input from the user (for example my default <code>AppName="Service App"</code> should be changed to <code>AppName="Service App One"</code> if the user has entered "One").</p></li>
  <li><p>Above changes should be reflected in the "Select Start Menu Folder" page.</p></li>
  <li><p>How can the Next click events for the "Select Start Menu Folder" and the "Select Destination Location" wizard pages be caught? This is required to validate the user input.</p></li>
  </ol>