iBook Property

Controls if the bookmark should be displayed in the previewer

Object.iBook = number

Number
Specifies bookmark mode. Allowed values are:

Value	Description
-1	Disable bookmarks.
0	Enable bookmarks but hide them (users need to click on the bookmark button to see them).
1	Enable bookmarks, always showing them.
2	Enable bookmarks, but show or hide them automatically based on whether or not there are bookmarks defined in the report to preview (default value).