diff --git a/include/nana/gui/widgets/listbox.hpp b/include/nana/gui/widgets/listbox.hpp
index b18f1ccc..5ade4c67 100644
--- a/include/nana/gui/widgets/listbox.hpp
+++ b/include/nana/gui/widgets/listbox.hpp
@@ -558,6 +558,7 @@ By \a clicking on one header the list get \a reordered, first up, and then down
 
 		/// Scrolls the view to the first or last item of a specified category
 		void scroll(bool to_bottom, size_type cat_pos = ::nana::npos);
+		void scroll(bool to_bottom, const index_pair& pos);
 
         /// 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);		
diff --git a/source/gui/widgets/listbox.cpp b/source/gui/widgets/listbox.cpp
index 557871b4..31f28a13 100644
--- a/source/gui/widgets/listbox.cpp
+++ b/source/gui/widgets/listbox.cpp
@@ -2008,6 +2008,7 @@ namespace nana
 						scroll.h.amount(header.pixels());
 						scroll.h.range(graph->width() - width);
 						scroll.h.value(scroll.offset_x);
+						scroll.h.step(graph->text_extent_size(L"W").width);
 					}
 
 					if(scroll.v.empty() == false)
@@ -4259,6 +4260,13 @@ namespace nana
 			ess.update();
 		}
 
+		void listbox::scroll(bool to_bottom, const index_pair& pos)
+		{
+			auto & ess = _m_ess();
+			ess.lister.scroll(pos, to_bottom);
+			ess.update();
+		}
+
 		listbox::size_type listbox::append_header(nana::string text, unsigned width)
 		{
 			auto & ess = _m_ess();