From 444449dfaa24172b6e8f609eea96bdcdc176cf53 Mon Sep 17 00:00:00 2001
From: qPCR4vir <arielvina@yahoo.es>
Date: Thu, 7 May 2015 22:48:20 +0200
Subject: [PATCH] let listbox append_header return the pos of the new header

---
 include/nana/gui/widgets/listbox.hpp |  3 ++-
 source/gui/widgets/listbox.cpp       | 14 +++++++-------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/include/nana/gui/widgets/listbox.hpp b/include/nana/gui/widgets/listbox.hpp
index 01fe6ae4..34046a6f 100644
--- a/include/nana/gui/widgets/listbox.hpp
+++ b/include/nana/gui/widgets/listbox.hpp
@@ -561,9 +561,10 @@ By \a clicking on one header the list get \a reordered, first up, and then down
 
 		void auto_draw(bool);                                ///<Set state: Redraw automatically after an operation?
 
-		void append_header(nana::string, unsigned width = 120);///<Appends a new column with a header text and the specified width at the end
 		listbox& header_width(size_type pos, unsigned pixels);
 		unsigned header_width(size_type pos) const;
+        /// Appends a new column with a header text and the specified width at the end, and return it position
+        size_type append_header(nana::string header_text, unsigned width = 120);		
 
 		cat_proxy append(nana::string);          ///<Appends a new category at the end
 		void append(std::initializer_list<nana::string>); ///<Appends categories at the end
diff --git a/source/gui/widgets/listbox.cpp b/source/gui/widgets/listbox.cpp
index 9e63f0f6..8a979678 100644
--- a/source/gui/widgets/listbox.cpp
+++ b/source/gui/widgets/listbox.cpp
@@ -399,20 +399,19 @@ namespace nana
 					return{};
 				}
 
-				void create(nana::string&& text, unsigned pixels)
+				size_type create(nana::string&& text, unsigned pixels)
 				{
 					cont_.emplace_back(std::move(text), pixels, static_cast<size_type>(cont_.size()));
+                    return cont_.back().index;
 				}
 
 				void item_width(size_type pos, unsigned width)
 				{
-					if (pos >= cont_.size())
-						return;
-
 					for(auto & m : cont_)
-					{
 						if(m.index == pos)
+					    {
 							m.pixels = width;
+                            return;
 					}
 				}
 
@@ -3994,11 +3993,12 @@ namespace nana
 			_m_ess().set_auto_draw(ad);
 		}
 
-		void listbox::append_header(nana::string text, unsigned width)
+		listbox::size_type listbox::append_header(nana::string text, unsigned width)
 		{
 			auto & ess = _m_ess();
-			ess.header.create(std::move(text), width);
+			listbox::size_type index = ess.header.create(std::move(text), width);
 			ess.update();
+            return index;
 		}
 
 		listbox& listbox::header_width(size_type pos, unsigned pixels)