The rendering of the PDF pages is pretty straight forward. The DevExpress WPF PDF Viewer Control makes it a breeze to display PDF documents directly in your Windows application without installing an external PDF viewer on your end user's machine. Whenever the PageRowDisplayType changes, the current innerPanel is removed from the dockpanel (pnlMain). The logic for loading the required PDF pages is encapsulated in the class PdfImageProvider. The MoonPdfPanel delegates the actions, e.g. To demonstrate the use of MoonPdfPanel, I wrote a sample WPF application named MoonPdf. The value for Right specifies the horizontal margin between PDF pages. But knowing the bounds of the PDF pages is only half the story, because we need to take into account, that it is possible to display two PDF pages in one page row, which would result in a different required space. it is not necessary to load all pages at once.

I encapsulated the common XAML for both user controls into a global ResourceDictionary named GlobalResources.xaml, so that it can be used by both user controls. You can use each of these themes easily, without modification or manipulate them using our free WPF Theme Designer application. Freeze bitmap to avoid threading problems when using AsyncVirtualizingCollection, because FetchRange is NOT called from the UI thread, releases the resources consumed by the page, in BookView, the first page row contains only one PDF page, we get the max page-height from all pages in the subset, and the sum of all page widths of the subset plus the offset between the pages, we get the pdf page with the greatest width, so we know how broad the extent must be, we get the sum of all pdf page heights, so we know how high the extent must be, http://schemas.microsoft.com/winfx/2006/xaml/presentation", http://schemas.microsoft.com/winfx/2006/xaml", clr-namespace:MoonPdfLib;assembly=MoonPdfLib, defined in the constructor after components are initialized, Last Visit: 28-Sep-20 7:12     Last Update: 28-Sep-20 7:12, Download source code (licensed under the GPLv3), Building and including the MuPdf rendering engine, Implementation (data binding and virtualization), Rendering PDF Documents with Mupdf and P/Invoke in C#, System.OutofMemoryException: 'Insufficient memory to continue the execution of the program.

This bitmap is then converted to a BitmapSource object, with help of the custom extension method ToBitmapSource (not shown here). MoonPdf includes the MoonPdfPanel and creates a small user interface (main menu) to access the most important functions of the MoonPdfPanel. goto page, next page, etc. We are so confident in our products and services that we back them with a 60 day no questions asked money back guarantee. It allowed me to virtualize the PDF pages, i.e. This behaviour is adressed with the enum PageRowDisplayType (see code below). This is done in the CalculateExtent method.

There are two CodeProject articles that helped me a lot with the creation of MoonPdf: As stated above, the first article helped me with the usage of MuPdf for rendering PDF pages as images. Stamps or annotations that are incorporated in a PDF document are automtically rendered in the PDF Viewer. Here is the stack trace: How can i print a pdf document displayed in in a pdf panal? The WPF PDF Viewer control supports viewing, reviewing, and printing PDF files in WPF applications. MoonPdf version 0.2.3. added the ability to open password protected PDF files. We then summarize the heights of all page rows to get the total height that is required.

But with virtualization, the memory consumption stays within borders. Based on these bounds, we can later determine the total required space for CustomVirtualizingPanel. As you'd expect, the Control's API includes both a Select and CopytoClipboard methods. Right-click the PDF Viewer and select Layout | Reset All to fill the entire window. DevExpress desktop components were voted best-in-class by readers of Visual Studio Magazine. The DLLs are now in place. This looks like this: You can see from the method call of FirstOrDefault, that we are only interested in the first item of the result list, which is an object of type IEnumerable. Gnostice Document Studio.NET includes a multi-format Document Viewer control that can display PDF, DOCX, DOC, XLSX, XLS, ODS, TXT, BMP, GIF, JPEG, PNG, WMF, EMF, TIFF and MTIFF in … Example: Let's say for example that the ViewType.Facing (two PDF pages in a page row) is chosen and the size of both PDF pages is 600x800 pixel (width x height) and the horizontal and vertical margins are both 4 pixel.

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