RAD Studio VCL Reference
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TTreeNode.IsVisible Property

Indicates whether the tree node is currently visible in the tree view image.

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

A node is visible if it is on level 0 or if all its parents are expanded. IsVisible indicates whether the node is part of the current tree view image. It does not indicate whether or not the node is scrolled into view when the tree view image is larger than the size of the tree view control. 

 

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