private void ShowWaitScreen()
{
if (FullScreenPrintWindow != null)
{
WaitScreen.Show("Loading...");
}
}
public void ReloadPreview(PageOrientation pageOrientation, PaperSize currentPaper)
{
ReloadingPreview = true;
if (FullScreenPrintWindow != null)
{
WaitScreen.Show("Loading Preview");
}
if (PageOrientation == PageOrientation.Portrait)
{
FlowDocument.PageHeight = currentPaper.Height;
FlowDocument.PageWidth = currentPaper.Width;
}
else
{
FlowDocument.PageHeight = currentPaper.Width;
FlowDocument.PageWidth = currentPaper.Height;
}
_ms = new MemoryStream();
_pkg = Package.Open(_ms, FileMode.Create, FileAccess.ReadWrite);
const string pack = "pack://temp.xps";
var oldPackage = PackageStore.GetPackage(new Uri(pack));
if (oldPackage == null)
{
PackageStore.AddPackage(new Uri(pack), _pkg);
}
else
{
PackageStore.RemovePackage(new Uri(pack));
PackageStore.AddPackage(new Uri(pack), _pkg);
}
_xpsDocument = new XpsDocument(_pkg, CompressionOption.SuperFast, pack);
var xpsWriter = XpsDocument.CreateXpsDocumentWriter(_xpsDocument);
var documentPaginator = ((IDocumentPaginatorSource)FlowDocument).DocumentPaginator;
xpsWriter.Write(documentPaginator);
Paginator = documentPaginator;
MaxCopies = NumberOfPages = ApproaxNumberOfPages = Paginator.PageCount;
PagesAcross = 2;
DisplayPagePreviewsAll(documentPaginator);
WaitScreen.Hide();
ReloadingPreview = false;
}