What event to catch?

hi all,
I have 3 user defined fields on my form. Let's call them A, B, C. Now, A can be 1 or 2. If A=1 than I need to disable (oItem.Enabled=false) controls B,C once form has been loaded before user can make any change to B or C . If A=2 than all controls are avalaible. What would be most efficient way of implementing this? tried using et_FORM_LOAD ,et_FORM_ACTIVATE ,et_GOT_FOCUS events but solution becams awkward. Any one has solved similar problem?
thanks

if pval.itemuid = "A" and pval.itemchanged and pval.eventtype = et_VALIDATE then
    select case oform.items("A").specific.selected.value 'it is combobox type item that A
    case 1:
        oform.items("B").Enabled = false
        oform.items("C").Enabled = false
    case 2:
        oform.items("B").Enabled = true
        oform.items("C").Enabled = true
    end select
end if
Message was edited by: Rok Woon Kim

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Message was edited by: tilman

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Hello
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import javax.swing.border.*;
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import javax.swing.JEditorPane.*;
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"michael C Ford" <[email protected]> wrote in message
news:[email protected]...
>
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