diff --git a/src/xtd.forms/include/xtd/forms/draw_item_state.h b/src/xtd.forms/include/xtd/forms/draw_item_state.h
index 4e43fc5c9ef..1b74e88a2ac 100644
--- a/src/xtd.forms/include/xtd/forms/draw_item_state.h
+++ b/src/xtd.forms/include/xtd/forms/draw_item_state.h
@@ -55,7 +55,7 @@ namespace xtd {
     inline draw_item_state operator |(draw_item_state lhs, draw_item_state rhs) {return static_cast<draw_item_state>(static_cast<long long>(lhs) | static_cast<long long>(rhs));}
     inline draw_item_state operator ^(draw_item_state lhs, draw_item_state rhs) {return static_cast<draw_item_state>(static_cast<long long>(lhs) ^ static_cast<long long>(rhs));}
     inline std::ostream& operator<<(std::ostream& os, draw_item_state value) {return os << to_string(value, {{draw_item_state::none, "none"}, {draw_item_state::selected, "selected"}, {draw_item_state::grayed, "grayed"}, {draw_item_state::disabled, "disabled"}, {draw_item_state::checked, "checked"}, {draw_item_state::focus, "focus"}, {draw_item_state::default_state, "default_state"}, {draw_item_state::hot_light, "hot_light"}, {draw_item_state::inactive, "inactive"}, {draw_item_state::no_accelerator, "no_accelerator"}, {draw_item_state::no_focus_rect, "no_focus_rect"}, {draw_item_state::combo_box_edit, "combo_box_edit"}});}
-    inline std::wostream& operator<<(std::wostream& os, draw_item_state value) {return os << to_string(value, {{draw_item_state::none, L"none"}, {draw_item_state::selected, L"selected"}, {draw_item_state::grayed, L"grayed"}, {draw_item_state::disabled, L"disabled"}, {draw_item_state::checked, L"checked"}, {draw_item_state::focus, L"focus"}, {draw_item_state::default_state, L"default_state"}, {draw_item_state::hot_light, L"hot_light"}, {draw_item_state::inactive, L"inactive"}, {draw_item_state::no_accelerator, L"no_accelerator"}, {draw_item_state::no_focus_rect, L"no_focus_rect"}, {draw_item_state::combo_box_edit, L"combo_box_edit"}});}
+    inline std::wostream& operator <<(std::wostream& os, draw_item_state value) {return os << to_string(value, {{draw_item_state::none, L"none"}, {draw_item_state::selected, L"selected"}, {draw_item_state::grayed, L"grayed"}, {draw_item_state::disabled, L"disabled"}, {draw_item_state::checked, L"checked"}, {draw_item_state::focus, L"focus"}, {draw_item_state::default_state, L"default_state"}, {draw_item_state::hot_light, L"hot_light"}, {draw_item_state::inactive, L"inactive"}, {draw_item_state::no_accelerator, L"no_accelerator"}, {draw_item_state::no_focus_rect, L"no_focus_rect"}, {draw_item_state::combo_box_edit, L"combo_box_edit"}});}
     /// @endcond
   }
 }