RAD Studio VCL Reference
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TOutlineNode.IsVisible Property
TOutlineNode Class | TOutlineNode Members | Outline Namespace | Description | See Also
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Indicates whether the outline node is visible in the outline.

Pascal
property IsVisible: Boolean;
C++
__property Boolean IsVisible;
Description

Read IsVisible to determine whether the node is part of the current image of the outline. A node is visible if it is on level 1 or if all its parents are expanded.

Note: Do not confuse IsVisible with the Visible property of TControl objects. Outline nodes are not controls, but merely helper objects that describe nodes for an outline control. IsVisible indicates whether a node is visible because its parents are expanded or collapsed. It does not provide information about whether the node has been scrolled out of view, or even if the outline is not visible.
 

See Also
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