-class WXDLLEXPORT wxTreeEvent;
-
-// ----------------------------------------------------------------------------
-// style flags
-// ----------------------------------------------------------------------------
-
-// This is a set of synonyms of wxNB_XXX, which still could be used directly
-// for styling the control. Defined for consistency with wxListbook and
-// wxChoicebook only.
-#define wxTBK_LEFT wxNB_LEFT
-#define wxTBK_RIGHT wxNB_RIGHT
-
-// we don't support TOP/BOTTOM orientations but still define the flags (again,
-// for consistency with others)
-#define wxTBK_TOP wxTBK_LEFT
-#define wxTBK_BOTTOM wxTBK_RIGHT
-
-#define wxTBK_ALIGN_MASK (wxTBK_LEFT | wxTBK_RIGHT)
-#define wxTBK_DEFAULT wxTBK_LEFT