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NullReferenceException on Prepare or Render document https://forum.pdfsharp.net/viewtopic.php?f=2&t=2760 |
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Author: | BesuglovS [ Sun Mar 09, 2014 1:03 pm ] |
Post subject: | NullReferenceException on Prepare or Render document |
For some page configuration NullReferenceException (Object reference not set to an instance of an object.) occurs in Code: MigraDoc.Rendering.TableRenderer.CreateNextBottomBorderPosition() MigraDoc.Rendering.TableRenderer.CreateBottomBorderMap() MigraDoc.Rendering.TableRenderer.InitFormat(Area area, FormatInfo previousFormatInfo) MigraDoc.Rendering.TableRenderer.Format(Area area, FormatInfo previousFormatInfo) MigraDoc.Rendering.TopDownFormatter.FormatOnAreas(XGraphics gfx, Boolean topLevel) MigraDoc.Rendering.FormattedDocument.Format(XGraphics gfx) MigraDoc.Rendering.DocumentRenderer.PrepareDocument() in code like this Code: document = CreateDocument(... some params ...); MigraDoc.Rendering.DocumentRenderer docRenderer = new DocumentRenderer(document); docRenderer.PrepareDocument(); I was able to reproduce this bug in console C# application with "PDFSharp + MigraDoc" installed via NuGet Code: using MigraDoc.DocumentObjectModel; using MigraDoc.DocumentObjectModel.Tables; using MigraDoc.Rendering; using PdfSharp.Pdf; using System.Diagnostics; namespace PDFSharpTest { class Program { static void Main(string[] args) { var doc = new Document(); Section section = doc.AddSection(); var table = section.AddTable(); table.Borders.Width = 0.25; table.AddColumn(); table.AddColumn(); table.AddColumn(); Row row; row = table.AddRow(); // row 1 row.Cells[0].AddParagraph("Item 11"); row.Cells[0].MergeDown = 5; row.Cells[1].AddParagraph("Item 21"); row.Cells[1].MergeDown = 1; row.Cells[2].AddParagraph("Item 31"); row.Cells[2].MergeDown = 2; row = table.AddRow(); // row 2 row = table.AddRow(); // row 3 row.Cells[1].AddParagraph("Item 23"); row.Cells[1].MergeDown = 1; row = table.AddRow(); // row 4 row.Cells[2].AddParagraph("Item 34"); row.Cells[2].MergeDown = 2; row = table.AddRow(); // row 5 row.Cells[1].AddParagraph("Item 25"); row.Cells[1].MergeDown = 1; row = table.AddRow(); // row 6 var pdfRenderer = new PdfDocumentRenderer(true, PdfFontEmbedding.Always); pdfRenderer.Document = doc; pdfRenderer.RenderDocument(); pdfRenderer.PdfDocument.Save("Result.pdf"); // ...and start a viewer. Process.Start("Result.pdf"); } } } Code: An unhandled exception of type 'System.NullReferenceException' occurred in MigraDoc.Rendering.dll
Additional information: Object reference not set to an instance of an object. |
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