Items Overview

All Vision2 items inherit EV_ITEM.  To view the classes contained in the items cluster, click here.

What is an item?

A Vision2 item is an object that is used to display information within certain primitives. For example, EV_LIST may hold items of type EV_LIST_ITEM. All Vision2 items are descendants of EV_PIXMAPABLE meaning they can display an EV_PIXMAP.

Item holders

Below is a structure showing the Vision2 components and the items that they accept, all the items types available in Vision2 are included:

• EV_LIST accepts items of type:
  • EV_LIST_ITEM
• EV_COMBO_BOX accepts items of type:
  • EV_LIST_ITEM
• EV_WINDOW accepts items of type (Use set_menu_bar):
  • EV_MENU_BAR accepts items of type:
    • EV_MENU accepts items of type:
      • EV_MENU
      • EV_MENU_ITEM
      • EV_MENU_SEPARATOR
      • EV_RADIO_MENU_ITEM
      • EV_CHECK_MENU_ITEM
• EV_MULTI_COLUMN_LIST accepts items of type:
  • EV_MULTI_COLUMN_LIST_ROW
• EV_TOOL_BAR accepts items of type:
  • EV_TOOL_BAR_BUTTON
  • EV_TOOL_BAR_SELECT_BUTTON
  • EV_TOOL_BAR_SEPARATOR
  • EV_TOOL_BAR_TOGGLE_BUTTON
• EV_TREE accepts items of type:
  • EV_DYNAMIC_TREE_ITEM accepts items of type:
    • EV_DYNAMIC_TREE_ITEM
    • EV_TREE_ITEM
  • EV_TREE_ITEM accepts items of type:
    • EV_DYNAMIC_TREE_ITEM
    • EV_TREE_ITEM

Note: EV_MENU, EV_TREE_ITEM and EV_DYNAMIC_TREE_ITEM all may contain items of the same type as themselves. This is due to the recursive nature of trees and menus.