X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/851b88c310ac064e826dfd011d02c6dc5301fc35..ef0aeb729dd02e78d8daf56a9380a1cccf317fe5:/include/wx/treebook.h

diff --git a/include/wx/treebook.h b/include/wx/treebook.h
index 325aaa3521..578ec3ade3 100644
--- a/include/wx/treebook.h
+++ b/include/wx/treebook.h
@@ -18,6 +18,7 @@
 
 #include "wx/bookctrl.h"
 #include "wx/treectrl.h"        // for wxArrayTreeItemIds
+#include "wx/containr.h"
 
 typedef wxWindow wxTreebookPage;
 
@@ -227,6 +228,7 @@ private:
 
     DECLARE_EVENT_TABLE()
     DECLARE_DYNAMIC_CLASS_NO_COPY(wxTreebook)
+    WX_DECLARE_CONTROL_CONTAINER();
 };