Gets the first tree node in the container.
Source position: comctrls.pp line 3265
public function TTreeNodes.GetFirstNode: TTreeNode; |
TTreeNode instance which is stored as the first top-level tree node, or Nil when the container is empty.
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Provides indexed access to tree nodes at the top level of the tree structure. |
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The number of tree nodes at the top level of the tree structure. |
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The number of ancestor nodes for the current tree node. |
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