Pdf Viewer Net Control

  1. The.Net framework does not provide a library to easily handle PDF files in.Net. If we want to show a PDF file in a.Net form then we can use many approaches such as we can use webbrowser or we can use office library, but we can also use the Acrobat Reader control. Adobe provides an ActiveX COM control that you can add to the CSharp Toolbox.
  2. Download source - 3.44 MB; Download project from Google code; Introduction. This article discusses how to create a.NET PDF Viewer control that is not dependent on Acrobat software being installed.

NET Free Spire.PDFViewer for.NET is a Community Edition of the Spire.PDFViewer for.NET, which is a powerful viewer API for commercial and personal use. By using Free Spire.PDFViewer.

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An experimental control that shows the content of a PDF file.


Show text, graphics, and other content in a PDF file by adding this type of control and setting its Document property to the URL, enclosed in double quotation marks, of the file that you want to show.


  1. The security architecture of Power Apps requires the PDF Viewer to support only HTTPS links, not HTTP.

  2. The Document property must link directly to the PDF file. Server redirects or HTML views of the document aren't supported.

  3. The server that hosts the document must not require authentication.

  4. You may not be able to view a PDF document in your app if the document resides on a server that has restrictive cross-origin resource sharing (CORS) settings. To resolve this issue, the server that hosts PDF documents must permit cross-origin requests from powerapps.com.

App users can work around these limitations by opening PDF documents in an external browser, as prompted if the control can't open a document. This option is also available in the control menu for all external documents.

Key properties

Document – The URL, enclosed in double-quotation marks, of a PDF file.

Additional properties

ActualZoom – The actual zoom of the control, which may differ from the zoom requested with the Zoom property.


BorderColor – The color of a control's border.

BorderStyle – Whether a control's border is Solid, Dashed, Dotted, or None.

BorderThickness – The thickness of a control's border.

CurrentFindText – The current search term that is in use.

CurrentPage – The number of the page in a PDF file that is actually being shown.

DisplayMode – Whether the control allows user input (Edit), only displays data (View), or is disabled (Disabled).

DisabledBorderColor – The color of a control's border if the control's DisplayMode property is set to Disabled.

Fill – The background color of a control.

FindNext – Finds the next instance of FindText in the document.

FindPrevious – Finds the previous instance of FindText in the document.

FindText – The search term to look for in the document.

Height – The distance between a control's top and bottom edges.

HoverBorderColor – The color of a control's border when the user keeps the mouse pointer on that control.

OnSelect – How the app responds when the user taps or clicks a control.

OnStateChange – How an app responds when the state of the control changes.

PaddingBottom – The distance between text in a control and the bottom edge of that control.

PaddingLeft – The distance between text in a control and the left edge of that control.

PaddingRight – The distance between text in a control and the right edge of that control.

PaddingTop – The distance between text in a control and the top edge of that control.

Page – The number of the page that you want to show.

PageCount – The number of pages in a document.

PressedBorderColor – The color of a control's border when the user taps or clicks that control.

ShowControls – Whether an audio or video player shows, for example, a play button and a volume slider, and a pen control shows, for example, icons for drawing, erasing, and clearing.

Tooltip – Explanatory text that appears when the user hovers over a control.

Visible – Whether a control appears or is hidden.

Width – The distance between a control's left and right edges.

Pdf Viewer .net Control Open Source

X – The distance between the left edge of a control and the left edge of its parent container (screen if no parent container).

Y – The distance between the top edge of a control and the top edge of the parent container (screen if no parent container).

Zoom – The percentage by which an image from a camera is magnified or the view of a file in a PDF viewer.


Add a PDF viewer control, and set its Document property to the URL, enclosed in double quotation marks, of a PDF file as in this example:


C# Pdf Viewer Control

The control shows the PDF file.

Don't know how to add and configure a control?

Accessibility guidelines

Not all accessibility features of PDF documents are supported because the PDF viewer is still in the experimental stage. Therefore, ShowControls should be set to true to allow users to open the document in an external application.

Learn how to create accessible PDF documents with the WCAG 2.0 and PDF/UA standards.

Screen reader support

  • Consider adding a heading using a Label, if the PDF document does not have a title. The heading can be positioned immediately before the PDF viewer.

Spire.PDFViewer is an easy-to-use and reliable .NET PDF Viewer component. With Spire.PDFViewer, developers can create any WinForms application to open, view and print PDF document in C# and Visual Basic on .NET(2.0, 3.5, 4.0,4.6 and 4.0 ClientProfile).
Open and View
Spire.PDFViewer for .NET can open and view PDF/A-1B, PDF/X1A and even encrypted document.
When viewing, developers can view with zoom in/out, page up/down, moving to the first/last page or fitting page/width. Also, hand tool is available.
Spire.PDFViewer for .NET supports kinds of PDF fonts, including TrueType, Type0, Type1, Type3, OpenType and CJK font. It also support hyperlinks, DeviceN color space and JPEG2000, DCT, CCITT Fax Image format in PDF.
Spire.PDFViewer enables developers to print PDF document and supports page setup before printing, such as margins, page orientation, page size etc. Also, developers can choose specified one page, current page, mulitple pages or all pages to print.
PDF to Image
Spire.PDFViewer for .NET enables developers to save PDF pages(specified one, current page, mulitple pages, all pages) to image formats(.bmp, .png, .jpeg).

For projects that support PackageReference, copy this XML node into the project file to reference the package.
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

Spire.PDFViewer 6.1
New features:
Supports the function of displaying page labels(SPIREPDFVIEWER-464)
Bug Fixes:
Fixes the issue that the white color of the picture was displayed as black (SPIREPDFVIEWER-448)
Fixes the issue that Chinese characters were displayed in garbled characters(SPIREPDFVIEWER-462)
Fixes the issue that the page rotating failed (SPIREPDFVIEWER-466)
Fixes the issue that the background color of form fields was displayed incorrectly(SPIREPDFVIEWER-467)


Edge Pdf Viewer Controls

This package has no dependencies.

Used By

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

.net Pdf Viewer Control Free

This package is not used by any popular GitHub repositories.

Pdf Viewer Net Control Systems

Version History

VersionDownloadsLast updated
6.1.0 88 1/14/2021
5.11.2 674 11/13/2020
5.8.2 913 8/12/2020
5.7.2 336 7/6/2020
5.1.4 1,704 1/21/2020
5.1.0 193 1/15/2020
4.11.8 583 11/18/2019
4.9.5 528 9/18/2019
4.5.1 2,187 5/8/2019
4.2.2 932 2/14/2019
4.1.13 356 1/31/2019
4.1.5 582 1/19/2019
4.1.0 608 1/5/2019
3.12.6 816 12/19/2018
3.12.1 443 12/7/2018
3.6.3 1,562 6/28/2018
3.3.0 2,379 3/26/2018
3.2.0 624 2/9/2018
2.12.60 523 1/18/2018
2.12.57 574 12/29/2017
2.12.49 523 11/29/2017
2.12.44 438 11/17/2017
2.12.38 585 10/20/2017
2.12.34 1,606 9/26/2017
2.12.19 1,002 7/13/2017
2.12.16 492 7/10/2017
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