InfoPath Dev

Hi, I have major difficulties to understand how to use form field- events in my InfoPathAddIn- project (vsto)? I need to figure out the active field in Infopath form (active = control with focus) and automatically write some help text to custom pane.

I use VSTA and I'm not sure if there is a OnFocus eventhandler. The following MSDN article indicates what are the events:

http://msdn.microsoft.com/en-us/library/bb250984.aspx

You may be able to work with a BeforeChange event.