Function glrDoQBF(strFormName As String, fCloseIt As Integer)
    
    ' Load the specified form as a QBF form.  If
    ' the form is still loaded when control returns
    ' to this function, then it will attempt to
    ' build an SQL WHERE clause describing the
    ' values in the fields.  DoQBF() will return
    ' either that SQL string or a null string,
    ' depending on what the user chose to do and
    ' whether or not any fields were filled in.

    ' In:
    '     strFormName: Name of the form to load
    '     fCloseIt: Close the form, if the user didn't?
    ' Out:
    '     Return Value: The calculated SQL string.
    
    Dim strSQL As String

    DoCmd.OpenForm strFormName, WindowMode:=acDialog

    ' You won't get here until user hides or closes the form.
    ' If the user closed the form, there's nothing
    ' to be done.  Otherwise, build up the SQL WHERE
    ' clause.  Once you're done, if the caller requested
    ' the QBF form to be closed, close it now.
    If isFormLoaded(strFormName) Then
        strSQL = BuildWHEREClause(Forms(strFormName))
        If fCloseIt Then
            DoCmd.Close acForm, strFormName
        End If
    End If
    glrDoQBF = strSQL
End Function