GroupDocs.Viewer for .NET 20.6 Release Notes
This page contains release notes for GroupDocs.Viewer for .NET 20.6
Major Features
There are 19 features, improvements, and bug-fixes in this release, most notable are:
- Fixed High RAM consumption issue when rendering a large text file
- Improved rendering to HTML for Outlook data files (PST and OST)
- Show spreadsheet column headings and row numbers was implemented for all options
- Support file format detection for passed stream
- Get sheet names from an Excel file
Full List of Issues Covering all Changes in this Release
| Key | Summary | Category |
|---|---|---|
| VIEWERNET-2485 | Get sheet names from an Excel file | Feature |
| VIEWERNET-2222 | Show spreadsheet column headings and row numbers | Feature |
| VIEWERNET-2474 | Support file format detection for passed stream | Feature |
| VIEWERNET-2468 | Improved rendering Outlook files (pst, ost) to HTML | Improvement |
| VIEWERNET-2434 | High RAM consumption issue when rendering a large text file | Bug |
| VIEWERNET-2466 | Rendering Archive to PDF does not show certain characters | Bug |
| VIEWERNET-2473 | Exception is thrown when rendering SVG file | Bug |
| VIEWERNET-2476 | Exception: A generic error occurred in GDI+ | Bug |
| VIEWERNET-2480 | “Image export failed” exception when rendering WMF file | Bug |
| VIEWERNET-2494 | Input string was not in a correct format" exception when rendering XLSX | Bug |
| VIEWERNET-2495 | “A generic error occurred in GDI+” exception occurs when rendering VSDX file | Bug |
| VIEWERNET-2496 | “Parameter is not valid” exception when rendering VSDX file | Bug |
| VIEWERNET-2497 | “Unable to read beyond the end of the stream” exception when rendering ICO file | Bug |
| VIEWERNET-2503 | “File is corrupted or damaged” exception when rendring CSV file | Bug |
| VIEWERNET-2504 | “A generic error occurred in GDI+” exception occurs when rendering ICO file | Bug |
| VIEWERNET-2505 | Exception: Invalid start row index on XLSB file | Bug |
| VIEWERNET-2529 | HTML representation generating stuck | Bug |
| VIEWERNET-2533 | The row index should not be inside the pivottable report | Bug |
| VIEWERNET-2532 | Not null and not empty string is expected | Bug |
Public API and Backward Incompatible Changes
GroupDocs.Viewer.FileType
Two new methods added to the FileType class. The more details and use cases can be found in How to determine file type documentation article.
/// <summary>Detects file type by reading the file signature.</summary>
/// <param name="stream">The file stream.</param>
/// <returns>Returns file type in case it was detected successfully otherwise returns default <see cref="F:GroupDocs.Viewer.FileType.Unknown" /> file type.</returns>
public static FileType FromStream(Stream stream)
/// <summary>Detects file type by reading the file signature.</summary>
/// <param name="stream">The file stream.</param>
/// <param name="password">The password to open the file.</param>
/// <returns>Returns file type in case it was detected successfully otherwise returns default <see cref="F:GroupDocs.Viewer.FileType.Unknown" /> file type.</returns>
public static FileType FromStream(Stream stream, string password)
GroupDocs.Viewer.Results.Page
Three constructors have been added to the Page class to support retrieving worksheet or page names that is described in How to get the names of the worksheets.
/// <summary>
/// Initializes new instance of <see cref="Page"/> class.
/// </summary>
/// <param name="number">The page number.</param>
/// <param name="name">The worksheet or page name.</param>
/// <param name="visible">The page visibility indicator.</param>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="number"/> is less or equal to zero.</exception>
public Page(int number, string name, bool visible)
/// <summary>
/// Initializes new instance of <see cref="Page"/> class.
/// </summary>
/// <param name="number">The page number.</param>
/// <param name="name">The worksheet or page name.</param>
/// <param name="visible">The page visibility indicator.</param>
/// <param name="width">The width of the page in pixels when rendering as JPG or PNG.</param>
/// <param name="height">The height of the page in pixels when rendering as JPG or PNG.</param>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="number"/> is less or equal to zero.</exception>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="width"/> is less or equal to zero.</exception>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="height"/> is less or equal to zero.</exception>
public Page(int number, string name, bool visible, int width, int height)
/// <summary>
/// Initializes new instance of <see cref="Page"/> class.
/// </summary>
/// <param name="number">The page number.</param>
/// <param name="name">The worksheet or page name.</param>
/// <param name="visible">The page visibility indicator.</param>
/// <param name="width">The width of the page in pixels when rendering as JPG or PNG.</param>
/// <param name="height">The height of the page in pixels when rendering as JPG or PNG.</param>
/// <param name="lines">The lines contained by the page when rendering as JPG or PNG with enabled Text Extraction.</param>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="number"/> is less or equal to zero.</exception>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="width"/> is less or equal to zero.</exception>
/// <exception cref="System.ArgumentException">Thrown when <paramref name="height"/> is less or equal to zero.</exception>
/// <exception cref="System.ArgumentNullException">Thrown when <paramref name="lines"/> is null.</exception>
public Page(int number, string name, bool visible, int width, int height, IList<Line> lines)