With the previous article explaining a bit about what Sheer UI is, setting up a hello world will make much more sense. For this, I'm going to setup the XML control and supporting class file and then give examples of calling them from Applications and Item Editor Tabs
Let's start by creating the class file that is referenced by the XML control. I'll provide an example for both the "control" and "xamlControls" types below.
I created a class named HelloWorld and it will inherit from the Sitecore.Web.UI.Sheer.BaseForm in the Sitecore.Kernel assembly. There are also