GroupDocs.Viewer 20.7.0

Document Viewer .NET API

This robust .NET on-premise file viewer API supports rendering of 130+ format types in HTML, image & PDF formats. 90+ formats are supported for auto-detection.

Document Viewer Processing Features

• View documents by rendering in an HTML, image or PDF format.
• Reuse common resources across several HTML pages.
• Make each HTML page self=sufficient by rendering it with embedded resources.
• Render files in the lossless PNG file format or lossy JPG compressed image format.
• Apply page rotation or change page order when rendering a document to HTML or image formats.
• Apply the specified text as watermark to all pages while being rendered into HTML or image.
• Boost document loading speed to optimize application performance via caching.
• Perform document text extract for PNG and JPG formats.
• Fetch basic information about source documents.
• Extract list of folders contained in an archive.
• Fetch list of layers and layouts from a CAD drawing.
• Get list of folders contained in an Outlook data file.
• Extract information about PDF document printing restrictions.
• Fetch start and end dates of a project from MS Project file.
• Minify HTML & CSS to improve the rendering process.
• Render to responsive HTML.
• Apply watermark on the output pages of HTML, image or PDF files.
• Render documents with comments, notes, and custom fonts.
• Replace missing fonts while rendering.

New Featrues & Enhancements in Version 20.7

• Ability to render text files into single HTML page.
• Support of setting margins when converting HTML files.
• Added feature to identify if the file is Password Protected.
• Added Apple numbers (.numbers) file-format support.
• Added Excel 2003 XML file (SpreadsheetML) (.xml) file-format support.
• Added WinRAR Compressed Archive (.rar) file-format support.
• Ability to split up archives into multiple pages.

For the detailed notes, please visit GroupDocs.Viewer for .NET 20.7 Release Notes.

HTML, Image, PDF Rendering Supported Formats

Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLS, XLSB, XLSM, XLSX, XLT, XLTX, XLAM
Microsoft PowerPoint: PPT, PPTX, PPTM, PPS, PPSX, PPSM, POT, POTM, POTX
Microsoft Visio: VDW, VDX, VSD, VSDM, VSDX, VSS, VSSM, VSSX, VST, VSTM, VSTX, VSX, VTX
Microsoft Project: MPP, MPT, MPX
Microsoft OneNote: ONE
OpenOffice: ODG, OTG, OXPS, ODP, OTP, ODS, OTS, ODT, OTT, OXPS
AutoCAD: DGN, DWF, DWT, DWG, DXF
CorelDraw: CDR
Adobe Photoshop: PSD
Programming: CS, VB, AS, AS3, ASM, BAT, C, CC, CMAKE, CPP, CSS, CXX, ERB, GROOVY, H, HAML, HH, JAVA, JS, JSON, LESS, LOG, M, MAKE, MD, ML, MM, PHP, PL, PROPERTIES, PY, RB, RST, SASS, SCALA, SCM, SCRIPT, SH, SML, SQL, VIM, YAML
Image: GIF, ICO, JP2, JPF, JPX, JPM, J2C, J2K, JPC, JPG, JPEG, SVG, TIF, TIFF
Markup: HTML, MHT, MHTML, MD
Portable: PDF
Archive: TAR, ZIP, BZ2
Email: EML, EMLX, MSG, OST, PST
Metafile: CGM, EMF, WMF
Other: IFC, STL, PS, XPS, TEX, SXC, DJVU, DNG, DIB, EPS

Supported Formats for Auto Detection

Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLS, XLSB, XLSM, XLSX, XLTX, XLAM
Microsoft PowerPoint: PPT, PPTX, PPTM, PPS, PPSX, PPSM, POT, POTM, POTX
Microsoft Visio: VDW, VDX, VSD, VSDM, VSDX, VSS, VSSM, VSSX, VST, VSTM, VSTX, VSX, VTX
Microsoft Project: MPP, MPT, MPX
Microsoft OneNote: ONE
OpenOffice: ODG, OTG, OXPS, ODP, OTP, ODS, OTS, ODT, OTT, OXPS
AutoCAD: DGN, DWF, DWT, DWG, DXF
CorelDraw: CDR
Adobe Photoshop: PSD
Programming: CS, VB
Image: GIF, ICO, JP2, JPF, JPX, JPM, J2C, J2K, JPC, JPG, JPEG, SVG, TIF, TIFF
Markup: HTML, MD
Portable: PDF
Archive: TAR, ZIP, BZ2
Email: EML, EMLX, MSG, OST, PST
Metafile: CGM, EMF, WMF
Other: IFC, STL, PS, XPS, TEX, SXC, DJVU, DNG, DIB, EPS

Platform Independence

GroupDocs.Viewer for .NET does not require any external software or third party tool to be installed. GroupDocs.Viewer for .NET supports any 32-bit or 64-bit operating system where .NET or Mono framework is installed. The other details are as follows:

Microsoft Windows: Microsoft Windows Desktop (x86, x64) (XP & up), Microsoft Windows Server (x86, x64) (2000 & up), Windows Azure
Mac OS: Mac OS X
Linux: Linux (Ubuntu, OpenSUSE, CentOS and others)
Development Environments: Microsoft Visual Studio (2010 & up), Xamarin.Android, Xamarin.IOS, Xamarin.Mac, MonoDevelop 2.4 and later.
Supported Frameworks: GroupDocs.Conversion for .NET supports .NET and Mono frameworks.

Getting Started with GroupDocs.Viewer for .NET

Are you ready to give GroupDocs.Viewer for .NET a try? Simply execute Install-Package GroupDocs.Viewer from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Viewer assembly in your project. If you already have GroupDocs.Viewer for .Net and want to upgrade it, please execute Update-Package GroupDocs.Viewer to get the latest version.

Please check the GitHub Repository for other common usage scenarios.

Use C# Code to Render All Layouts of a DWG CAD Drawing

string outputDirectory = @"C:\output\RenderAllLayouts";
string pageFilePathFormat = Path.Combine(outputDirectory, "page_{0}.html");
using (Viewer viewer = new Viewer("with_layers_and_layouts.dwg"))
{
   HtmlViewOptions options = HtmlViewOptions.ForEmbeddedResources(pageFilePathFormat);
   options.CadOptions.RenderLayouts = true;
   viewer.View(options);
}

Apply Password to PDF File via C# Code

string outputDirectory = @"C:\output\ProtectPdfDocument";
string filePath = Path.Combine(outputDirectory, "output.pdf");
using (Viewer viewer = new Viewer("sample.docx"))
{
    // set PDF file security
    Security security = new Security();
    security.DocumentOpenPassword = "o123";
    security.PermissionsPassword = "p123";
    security.Permissions = Permissions.AllowAll ^ Permissions.DenyPrinting;

    PdfViewOptions options = new PdfViewOptions(filePath);
    options.Security = security;

    viewer.View(options);
}

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