-#define GDI_EVENT_MASK 33
-#define GDI_EVENT 34
-#define GDI_CALLBACK_INFO 35
-#define GDI_CALLBACK_ACTION 36
-#define GDI_AREA_SIZE 37
-#define GDI_ITEM_SIZE 38
-#define GDI_SCROLLBAR_ITEMS_MAX 39
-#define GDI_SCROLLBAR_ITEMS_VISIBLE 40
-#define GDI_SCROLLBAR_ITEM_POSITION 41
-#define GDI_WHEEL_AREA_X 42
-#define GDI_WHEEL_AREA_Y 43
-#define GDI_WHEEL_AREA_WIDTH 44
-#define GDI_WHEEL_AREA_HEIGHT 45
-#define GDI_INFO_TEXT 46
-#define GDI_ACTIVE 47
-#define GDI_DIRECT_DRAW 48
+#define GDI_DECORATION_MASKED 33
+#define GDI_EVENT_MASK 34
+#define GDI_EVENT 35
+#define GDI_CALLBACK_INFO 36
+#define GDI_CALLBACK_ACTION 37
+#define GDI_AREA_SIZE 38
+#define GDI_ITEM_SIZE 39
+#define GDI_SCROLLBAR_ITEMS_MAX 40
+#define GDI_SCROLLBAR_ITEMS_VISIBLE 41
+#define GDI_SCROLLBAR_ITEM_POSITION 42
+#define GDI_WHEEL_AREA_X 43
+#define GDI_WHEEL_AREA_Y 44
+#define GDI_WHEEL_AREA_WIDTH 45
+#define GDI_WHEEL_AREA_HEIGHT 46
+#define GDI_INFO_TEXT 47
+#define GDI_ACTIVE 48
+#define GDI_DIRECT_DRAW 49