#endif
#endif
+#ifndef SPI_GETWHEELSCROLLLINES
+#define SPI_GETWHEELSCROLLLINES 104
+#endif
+#ifndef WHEEL_PAGESCROLL
+#define WHEEL_PAGESCROLL (UINT_MAX)
+#endif
+#ifndef WHEEL_DELTA
+#define WHEEL_DELTA 120
+#endif
+#ifndef WM_MOUSEWHEEL
+#define WM_MOUSEWHEEL 0x20A
+#endif
+
#define PBS_SMOOTH 0x01
#ifdef HAVE_MS_WINDOWS