rem: SetWindowLong(hWnd, GWL_WNDPROC, (LONG) wxGenericRIProc);
add: SetWindowLongW(hWnd, GWL_WNDPROC, (LONG) wxGenericRIProc);
context: static void *SubclassRadioButton(HWND hWnd, wxItem *item, int which){  wxRBInfo *i;  FARPROC io;  i = new wxRBInfo;    i->item = item;  i->which = which;  // Subclass again for purposes of dialog editing mode  wxAddControlHandle(hWnd, (wxItem *)i);  io = (FARPROC)GetWindowLong(hWnd, GWL_WNDPROC);  i->old = io;  if (!wxGenericRIProc) {    wxGenericRIProc = MakeProcInstance((FARPROC) wxRadioItemProc, wxhInstance);  }  SetWindowLong(hWnd, GWL_WNDPROC, (LONG) wxGenericRIProc);  return i;}