wxBitmap bitmap1(Add_xpm);
_viewimage = new wxBitmapButton(this, -1, bitmap1, wxDefaultPosition, wxSize(30,30));
Connect(_viewimage->GetId(), wxEVT_COMMAND_BUTTON_CLICKED, (wxObjectEventFunction)&wxMaracasSurfaceRenderingProp3D::onViewImage);
sizerbut->Add(_viewimage,wxFIXED_MINSIZE);
wxBitmap bitmap1(Add_xpm);
_viewimage = new wxBitmapButton(this, -1, bitmap1, wxDefaultPosition, wxSize(30,30));
Connect(_viewimage->GetId(), wxEVT_COMMAND_BUTTON_CLICKED, (wxObjectEventFunction)&wxMaracasSurfaceRenderingProp3D::onViewImage);
sizerbut->Add(_viewimage,wxFIXED_MINSIZE);