diff --git a/include/nana/gui/widgets/spinbox.hpp b/include/nana/gui/widgets/spinbox.hpp
index 2ecabc78..15cbc694 100644
--- a/include/nana/gui/widgets/spinbox.hpp
+++ b/include/nana/gui/widgets/spinbox.hpp
@@ -61,6 +61,7 @@ namespace nana
 
 				void focus(graph_reference, const arg_focus&)	override;
 				void mouse_wheel(graph_reference, const arg_wheel&) override;
+				void dbl_click(graph_reference, const arg_mouse&) override;
 				void mouse_down(graph_reference, const arg_mouse&)	override;
 				void mouse_move(graph_reference, const arg_mouse&)	override;
 				void mouse_up(graph_reference, const arg_mouse& arg)	override;
diff --git a/source/gui/widgets/spinbox.cpp b/source/gui/widgets/spinbox.cpp
index 2fad022f..89423eab 100644
--- a/source/gui/widgets/spinbox.cpp
+++ b/source/gui/widgets/spinbox.cpp
@@ -560,6 +560,12 @@ namespace nana
 				impl_->editor()->reset_caret();
 				API::dev::lazy_refresh();
 			}
+			
+			void drawer::dbl_click(graph_reference, const arg_mouse& arg)
+			{
+				if (impl_->mouse_button(arg, true))
+					API::dev::lazy_refresh();
+			}
 
 			void drawer::mouse_down(graph_reference, const arg_mouse& arg)
 			{