// common part of all ctors
 void wxNotebook::Init()
 {
-    m_tabView = (wxNotebookTabView*) NULL;
+    m_tabView = NULL;
     m_nSelection = -1;
 }
 
 
 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 {
-    if ( event.IsWindowChange() ) {
+    if ( event.IsWindowChange() )
+    {
         // change pages
         AdvanceSelection(event.GetDirection());
     }
     else {
         // pass to the parent
-        if ( GetParent() ) {
+        if ( GetParent() )
+        {
             event.SetCurrentFocus(this);
-            GetParent()->ProcessEvent(event);
+            GetParent()->ProcessWindowEvent(event);
         }
     }
 }