void wxCheckBoxCallback (Widget w, XtPointer clientData,
                          XtPointer ptr);
 
-IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
-
 // Single check box item
 bool wxCheckBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
                         const wxPoint& pos,
 
 void wxCheckBox::ChangeBackgroundColour()
 {
-    if (!m_backgroundColour.Ok())
+    if (!m_backgroundColour.IsOk())
         return;
 
     wxComputeColours (XtDisplay((Widget) m_mainWidget), & m_backgroundColour,
-        (wxColour*) NULL);
+        NULL);
 
     XtVaSetValues ((Widget) m_mainWidget,
         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
 
 #if wxUSE_TOGGLEBTN
 
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED)
+wxDEFINE_EVENT( wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, wxCommandEvent );
 IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl)
 
 bool wxToggleButton::Create( wxWindow* parent, wxWindowID id,