Knowledge Base

Invalid Object Member Types

Article ID: 136849

Article Last Modified on 2/15/2000

APPLIES TO

This article was previously published under Q136849

SUMMARY

Some container classes do not accept objects of a particular base class type. For example it is valid to add a Toolbar Separator object to an object based on the Toolbar class, but it is not valid to add a Toolbar Separator object to a Grid object. This article lists the invalid class types for each container class.

MORE INFORMATION

Container Class         Invalid Member Types

Formset:                All Classes Except Form and Toolbar

Form:                   Formset, Form, Toolbar

Toolbar:                Grid, Form, Formset

Formpage:               Formset, Form, Toolbar

OptionButtonGroup:      All Classes Except OptionButton

CommandButtonGroup:     All Classes Except CommandButton

Grid:                   All Classes Except GridColumn

GridColumn:             Formset, Form, Toolbar, Timer
In addition, the following classes can only be members of a container of a particular type: 
Class                 Only Valid Container

FormPage              PageFrame

GridColumn            Grid

GridColumnHeader      GridColumn

Form                  Formset, Custom

Toolbar               Formset, Custom

ToolbarSeperator      Toolbar

Additional query words: VFoxWin

Keywords: KB136849


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