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TopItem - the first visible node of the tree
Source position: comctrls.pp line 2696
public property TCustomTreeView.TopItem: TTreeNode |
Use TopItem to get the topmost visible node. It is usually needed when tree view contains many nodes and scroll bar is requred to display them all. If you need the first node of the tree regardless of visibility use Items[0]
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Items - the list of entries in the list. Held as a linked list with a cached index of the last accessed item |
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TCustomTreeView.GetNodeAtY |
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