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About Toolbar Canvases

You can create toolbar canvases, both horizontal and vertical, for any window in a form. Oracle Forms displays horizontal toolbar canvases across the top of a window, and vertical toolbar canvases on the left edge of a window. (Oracle Forms has several toolbars: for example, the Object Navigator window has both horizontal and vertical toolbars; the Property Palette has a horizontal toolbar only.)

When you create a toolbar canvas, you assign it to a window by setting the canvas Window property, and then register it with the window by setting the window's Vertical Toolbar Canvas or Horizontal Toolbar Canvas properties as appropriate.

You can change the appearance of a toolbar at runtime by dynamically showing and hiding different items on the toolbar. You also can create more than one toolbar for the same window, and display them in response to navigation events and programmatic control, much like stacked canvases assigned to the same window.

MDI Window Toolbar Canvas

On Microsoft Windows, you can create toolbars for the MDI application window as well as for any document windows in the form. The MDI application window is created and managed by the window manager, and does not appear in the List of window objects in a form module.

Note: In multiple-form applications, each form can potentially have its own MDI toolbar. As the end user navigates among forms, the MDI window is updated to display the MDI toolbar defined in the current form. If an MDI toolbar is not defined in the current form, the MDI window is displayed without a toolbar whenever that form has focus.