+#define wxDS_MANAGE_SCROLLBARS 0x0010
+
+
+/*
+ wxDS_DRAG_CORNER style indicates that the views can also be resized by
+ dragging the corner piece between the scrollbars, and which is reflected up
+ to the frame if necessary.
+*/
+#define wxDS_DRAG_CORNER 0x0020
+
+/*
+ Default style for wxDynamicSashWindow.
+ */
+#define wxDS_DEFAULT wxDS_MANAGE_SCROLLBARS | wxDS_DRAG_CORNER
+
+// ----------------------------------------------------------------------------
+// dynamic sash events
+// ----------------------------------------------------------------------------
+
+extern WXDLLIMPEXP_GIZMOS const wxEventType wxEVT_DYNAMIC_SASH_SPLIT;
+extern WXDLLIMPEXP_GIZMOS const wxEventType wxEVT_DYNAMIC_SASH_UNIFY;
+
+#define EVT_DYNAMIC_SASH_SPLIT(id, func) \
+ wx__DECLARE_EVT1(wxEVT_DYNAMIC_SASH_SPLIT, id, \
+ wxDynamicSashSplitEventHandler(func))
+
+#define EVT_DYNAMIC_SASH_UNIFY(id, func) \
+ wx__DECLARE_EVT1(wxEVT_DYNAMIC_SASH_UNIFY, id, \
+ wxDynamicSashUnifyEventHandler(func))