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Motif and CDE 2.1 Style Guide Reference

Menu Cascade Button (Control)

Reference

Description

A menu cascade button is a control that contains a cascading choice from which a pull-down menu can be displayed.

Figure 42. Menu Cascade Button.




View figure.

When to Use

Recommended
Use a menu cascade button to provide choices that apply to a control or group of controls within a window.

Guidelines

Required
Do not use menu cascade buttons at the top of a window in place of a menu bar.

Required
Do not use menu cascade buttons to provide choices that apply to the window or the controls in a window as a whole.

Required
When focus is on a menu cascade button and the user presses Select, spacebar, or Ctrl spacebar, display the associated pull-down menu and move focus to it.

Optional
When focus is on a menu cascade button and the user types V, you can display the associated pull-down menu and move focus to it.

Required
Except in a window menu button, display a down-arrow graphic to the right of the cascading choice in a menu cascade button. For information on bidirectional and vertical language support, see Chapter 11.

Essential Related Topics

For more information, see the Cascading (Choice Type), Choice, and Pull-Down Menu (Menu Type) reference pages.

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