panel_tree_node

• tree_node:AddNode(str, id)
• tree_node:GetExpand(var)
• tree_node:GetIndentWidth(var)
• tree_node:Initialize()
• tree_node:OnDraw(size)
• tree_node:OnExpand()
• tree_node:OnRequestLayout()
• tree_node:SetExpandInternal(b)
• tree_node:SetExpand(b)
• tree_node:SetIcon(...)
• tree_node:SetIndentWidth(var)
• tree_node:SetText(...)