>cFrmDetailListing absolutely does not call back to THISFORM and change THISFORM.lIsOkToSave
>
>What am I missing here.
>
>

>
>* Evaluates to .F.
>WAIT WINDOW '1: ' + IIF(THISFORM.lIsOkToSave, 'T', 'F')
>
>oForm = NEWOBJECT('cfrmDetailListing',    ;
>                  'MCSForms_DetailInput', ;
>                  NULL,                   ;
>                  cProvider)
>
>*Still .F.
>WAIT WINDOW '1: ' + IIF(.lIsOkToSave, 'T', 'F')
>
>IF VARTYPE(oForm) = 'O'
>      WITH oForm
>         .SHOW(1)
>         WAIT WINDOW '2: ' + IIF(THISFORM.lIsOkToSave, 'T', 'F')
>
>         IF .lSelected
>            cRetVal = .cCode
>            THISFORM.cPCAdd = '4'
>         ENDIF
>
>         * All of sudden true and remains .t. when it should not be.
>         * should be .f.
>         WAIT WINDOW '3: ' + IIF(THISFORM.lIsOkToSave, 'T', 'F')
>
>      ENDWITH
>ENDIF
>
>

Do you have any Access or Assign code on the .cPCAdd property?

Try setting a breakpoint in the debugger on your property and see exactly who is changing it.