add a method to return first node of treebox

2020-04-21 05:48:07 +08:00
parent e6a75746ad
commit 90789e428c
2 changed files with 8 additions and 0 deletions
--- a/include/nana/gui/widgets/treebox.hpp
+++ b/include/nana/gui/widgets/treebox.hpp
@@ -515,6 +515,8 @@ namespace nana
 		 */
 		void use_entire_line(bool enable);

+		/// Return the first node of treebox
+		item_proxy first() const;
 	private:
 		std::shared_ptr<scroll_operation_interface> _m_scroll_operation() override;