-wxPrintPreview::wxPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data):
+wxOS2PrintPreview::wxOS2PrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintDialogData *data):
+  wxPrintPreviewBase(printout, printoutForPrinting, data)
+{
+    DetermineScaling();
+}
+
+wxOS2PrintPreview::wxOS2PrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data):