Listbox - ItemLostFocusAccept Event

Fired when an item in the list is about to lose focus

Member of Listbox (PRIM_LTBX)

Parameters

NameTypeData TypeDescription
Accept*BothBooleanSet to false to prevent the event from proceeding
Reason*InputEnumerationAction that triggered the event

Details

The ItemLostFocusAccept event is triggered immediately before the ItemLostFocus event.
 
It is not a replacement for the ItemLostFocus event, instead providing an opportunity for focus processing to be interrupted.
 
Set the Accept parameter to False to prevent focus changing.

Example

In this example, focus can be set if the check box is checked.
Function Options(*DIRECT)
Begin_Com Role(*EXTENDS #PRIM_FORM) Height(469) Left(228) Top(220) Width(686) Clientwidth(670) Clientheight(430)
   Define_Com Class(#PRIM_LTVW) Name(#ListView) Columnbuttonheight(19) Componentversion(2) Displayposition(1) Fullrowselect(True) Keyboardpositioning(SortColumn) Left(8) Parent(#COM_OWNER) Showsortarrow(True) Tabposition(1) Top(8) Height(377) Width(657)
   Define_Com Class(#PRIM_LVCL) Name(#LVCL1) Displayposition(1) Parent(#ListView) Source(#EMPNO) Width(33)
   Define_Com Class(#PRIM_LVCL) Name(#LVCL2) Displayposition(2) Parent(#ListView) Source(#SURNAME) Width(36)
   Define_Com Class(#PRIM_LVCL) Name(#LVCL3) Displayposition(3) Parent(#ListView) Source(#GIVENAME) Width(25)
   Define_Com Class(#PRIM_CKBX) Name(#AllowFocusChange) Caption('Allow Focus Change?') Displayposition(2) Left(8) Marginleft(2) Parent(#COM_OWNER) Tabposition(2) Top(391) Width(161) Buttonstate(Checked)
 
   Evtroutine Handling(#Com_owner.CreateInstance)
 
      Select Fields(#ListView) From_File(pslmst)
 
         Add_Entry To_List(#ListView)
 
      Endselect
 
   Endroutine
 
   Evtroutine Handling(#ListView.ItemLostFocusAccept) Accept(#Accept)
 
      #Accept := (#AllowFocusChange.buttonState = Checked)
 
   Endroutine
 
   Evtroutine Handling(#ListView.ItemLostFocus)
 
      #Com_owner.Caption += (#Empno + " ")
 
   Endroutine
 
End_Com

See also

All Component Classes

Technical Reference

Febuary 18 V14SP2