#if wxUSE_BOOKCTRL
-class WXDLLEXPORT wxBookCtrlBase;
+#include "wx/dialog.h"
+
+class WXDLLIMPEXP_FWD_CORE wxBookCtrlBase;
//-----------------------------------------------------------------------------
// wxPropertySheetDialog
//-----------------------------------------------------------------------------
// Use the platform default
-#define wxPROPSHEET_DEFAULT 0x0001
+#define wxPROPSHEET_DEFAULT 0x0001
// Use a notebook
-#define wxPROPSHEET_NOTEBOOK 0x0002
+#define wxPROPSHEET_NOTEBOOK 0x0002
// Use a toolbook
-#define wxPROPSHEET_TOOLBOOK 0x0004
+#define wxPROPSHEET_TOOLBOOK 0x0004
// Use a choicebook
-#define wxPROPSHEET_CHOICEBOOK 0x0008
+#define wxPROPSHEET_CHOICEBOOK 0x0008
// Use a listbook
-#define wxPROPSHEET_LISTBOOK 0x0010
-
-// Shrink dialog to fit current page
-#define wxPROPSHEET_SHRINKTOFIT 0x0100
+#define wxPROPSHEET_LISTBOOK 0x0010
// Use a wxButtonToolBar toolbook
-#define wxPROPSHEET_BUTTONTOOLBOOK 0x0200
+#define wxPROPSHEET_BUTTONTOOLBOOK 0x0020
+
+// Use a treebook
+#define wxPROPSHEET_TREEBOOK 0x0040
+
+// Shrink dialog to fit current page
+#define wxPROPSHEET_SHRINKTOFIT 0x0100
class WXDLLIMPEXP_ADV wxPropertySheetDialog : public wxDialog
{