====== LOSTFOCUS event ======


 
==== Description ====
 
Occurs when focus passes from a control to anywhere else.
 
==== Syntax ====
 
//bforward// = **LOSTFOCUS**(//ctrlentID//, //ctrlclassID//, //flag//, //focusID//)
 
==== Parameters ====
 
LOSTFOCUS accepts arguments for the following parameters.

^Parameter^Description^
|//ctrlentID//|Has the format //WindowName.ControlName//, where //WindowName// is the identifier of the window that contains the affected control, and //ControlName// is the identifier of the control. Notice that a period separates the two values.|
|//ctrlclassID//|The type of control that recognizes the event. Valid entries are:\\ \\ __Type__ - __Description__\\ CHECKBOX - Check box.\\ COMBOBOX - Combo box.\\ EDITBOX - Edit box.\\ EDITFIELD - Edit line.\\ EDITTABLE - Edit table.\\ LISTBOX - List box.\\ PUSHBUTTON - Push-button.\\ RADIOBUTTON - Radio button.|
|//flag//|//flag// can have one of three values:\\ \\ __Value__ - __Description__\\ 0 - Control has lost focus, and focus has moved to another application's window.\\ 1 - Control has lost focus, and focus has moved to a different OpenInsight control.\\ 2 - This LOSTFOCUS event was generated as a response to a MENU event.|
|//focusID//|The next control in the active tab order.  This parameter will contain the name of the control that receives focus after the LOSTFOCUS event.|

 
==== Returns ====
 
True or false. If false, the program execution returns to the calling procedure. If true, the event processing goes to the next level.
 
==== See Also ====
 
[[focus|FOCUS property]], [[gotfocus_event|GOTFOCUS event]], [[inactivated_event|INACTIVATED event]]
 
==== Remarks ====
 
A common mistake is returning 0 from LOSTFOCUS, not allowing the system event handler to process changes to data in bound controls. Always return 1 or use Forward_Event from LOSTFOCUS unless you want to suppress the system event handler.