-const wxEventType wxEVT_COMMAND_SPLITTER_DOUBLECLICKED = wxEVT_FIRST + 851;
-const wxEventType wxEVT_COMMAND_SPLITTER_UNSPLIT = wxEVT_FIRST + 852;
+const wxEventType wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING = wxEVT_FIRST + 851;
+const wxEventType wxEVT_COMMAND_SPLITTER_DOUBLECLICKED = wxEVT_FIRST + 852;
+const wxEventType wxEVT_COMMAND_SPLITTER_UNSPLIT = wxEVT_FIRST + 853;
+
+/* Wizard events */
+const wxEventType wxEVT_WIZARD_PAGE_CHANGED = wxEVT_FIRST + 900;
+const wxEventType wxEVT_WIZARD_PAGE_CHANGING = wxEVT_FIRST + 901;
+const wxEventType wxEVT_WIZARD_CANCEL = wxEVT_FIRST + 902;