private void ShowPrintPreview()
{
// We have to clone the FlowDocument before we use different pagination settings for the export.
RichTextDocument document = (RichTextDocument)fileService.ActiveDocument;
FlowDocument clone = document.CloneContent();
clone.ColumnWidth = double.PositiveInfinity;
// Create a package for the XPS document
MemoryStream packageStream = new MemoryStream();
package = Package.Open(packageStream, FileMode.Create, FileAccess.ReadWrite);
// Create a XPS document with the path "pack://temp.xps"
PackageStore.AddPackage(new Uri(PackagePath), package);
xpsDocument = new XpsDocument(package, CompressionOption.SuperFast, PackagePath);
// Serialize the XPS document
XpsSerializationManager serializer = new XpsSerializationManager(new XpsPackagingPolicy(xpsDocument), false);
DocumentPaginator paginator = ((IDocumentPaginatorSource)clone).DocumentPaginator;
serializer.SaveAsXaml(paginator);
// Get the fixed document sequence
FixedDocumentSequence documentSequence = xpsDocument.GetFixedDocumentSequence();
// Create and show the print preview view
PrintPreviewViewModel printPreviewViewModel = printPreviewViewModelFactory.CreateExport().Value;
printPreviewViewModel.Document = documentSequence;
previousView = shellViewModel.ContentView;
shellViewModel.ContentView = printPreviewViewModel.View;
shellViewModel.IsPrintPreviewVisible = true;
printPreviewCommand.RaiseCanExecuteChanged();
}
private void PrintDocument()
{
if (printDialogService.ShowDialog())
{
// We have to clone the FlowDocument before we use different pagination settings for the export.
RichTextDocument document = (RichTextDocument)fileService.ActiveDocument;
FlowDocument clone = document.CloneContent();
printDialogService.PrintDocument(((IDocumentPaginatorSource)clone).DocumentPaginator,
fileService.ActiveDocument.FileName);
}
}