wxPreviewFrame *frame =
new wxPreviewFrame(preview, this, wxT("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
frame->Centre(wxBOTH);
wxPreviewFrame *frame =
new wxPreviewFrame(preview, this, wxT("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
frame->Centre(wxBOTH);