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RAD Studio VCL Reference
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TTreeNode.Expand Method
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RAD Studio VCL Reference
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Expands the node to display all child nodes.
procedure Expand(Recurse: Boolean);
__fastcall Expand(Boolean Recurse);
When a node is expanded, its immediate subnodes are displayed. The minus '-' button may be displayed, depending on whether the tree view's ShowButtons property is set. If Recurse is true, all descendants of the immediate subnodes are expanded as well.
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Description