LostFocus happens when a component is no longer active

Member of Radio Button (PRIM_RDBN)

Details

The LostFocus event fires when focus is moving to a different control.
 
The focus control is the one that will respond to keyboard entry.
 
If using the Tab key to navigate around an application, focus will follow the sequence as defined by the TabPosition property.
 
Focus can be set to a control programmatically.

Example

Setting focus to another control in a button click.

Evtroutine Handling(#Open.Click)
 
   #Detailer.SetFocus
   #Detailer.ShowEmployee(#Empno)
 
Endroutine

See also

All Component Classes

Technical Reference

Febuary 18 V14SP2