if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
!CreateBase( parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))
if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
!CreateBase( parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))