This object represents the "Report tree" control element in a previewed report.

The “Outline” displays a tree-like structure of the finished report. When any tree node is clicked the preview pane jumps to the page displaying this node. To display the “Outline” it should be enabled either by clicking the button in the toolbar of the preview window or by setting the “Report.PreviewOptions.OutlineVisible” property to True. The “Outline's” width in pixels can be set there as well : “Report.PreviewOptions.OutlineWidth”.
The “Outline” methods are:
Method
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Description
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procedure AddItem
(const Text: String)
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adds an element having “Text” name at the current tree position
the current report page and position on the page are linked
to the element
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procedure LevelRoot
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moves the current position in the tree to the root level
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procedure LevelUp
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moves the current position in the tree up one level
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