Offset Contents Normal value
0 menu title (if 0 string, no title)
12 title foreground and frame colour 7
13 title background colour 2
14 work-area foreground colour 7
15 work-area background colour 0
16 width of menu items (calculated by Wimp)
20 height of menu items 44
24 vertical gap between items 0
28 menu items (24 bytes each)
If bit 8 of the flags for the first item is set, then the menu's title is indirected, and the 3 first words are as for an indirected text icon.
If the menu's title begins with "\", then this menu and all its submenus are "reversed"
Menu item
Offset Contents
0 item flags
4 submenu pointer, or window handle or -1 if nothing
8 icon flags (as for normal icon)
12 12 bytes of icon data (as for normal icon)
Item flags
Bit Meaning
0 Tick to left of item
1 Dotted line following item
2 Item is writable
3 Generate message when submenu
4 Submenu can be opened even when greyed out
7 This is last item in menu
8 (Only in first menuitem) Menu title is indirected
9-31 Reserved, must be 0
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