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How to fix an OpenXml issue in Word interop (C#) concerning bullet lists

Gael 0 Reputation points
2025-02-17T15:55:25.07+00:00

Here is a truncated OpenXml standalone package xml => it's a string returned by range.WordOpenXml that can be processed by the OpenXml SDK WordprocessingDocument.FromFlatOpcString.

Below is a very simple bullet list (the xml has been truncated to make it easier to read):

<?xml version="1.0" standalone="yes"?>
<?mso-application progid="Word.Document"?>
<pkg:package xmlns:pkg="http://schemas.microsoft.com/office/2006/xmlPackage">
	<pkg:part pkg:name="/_rels/.rels" pkg:contentType="application/vnd.openxmlformats-package.relationships+xml" pkg:padding="512">
		<pkg:xmlData>
			<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
				<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="word/document.xml"/>
			</Relationships>
		</pkg:xmlData>
	</pkg:part>
	<pkg:part pkg:name="/word/document.xml" pkg:contentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml">
		<pkg:xmlData>
			<w:document>
				<w:body>
					<w:p w:rsidR="00F80704" w:rsidRPr="00AF0002" w:rsidRDefault="00F80704" w:rsidP="00F80704">
						<w:pPr>
							<w:rPr>
								<w:highlight w:val="cyan"/>
								<w:lang w:val="en-US"/>
							</w:rPr>
						</w:pPr>
						<w:bookmarkStart w:id="0" w:name="REQ_WORL3_0003"/>
						<w:r w:rsidRPr="00AF0002">
							<w:rPr>
								<w:highlight w:val="cyan"/>
								<w:lang w:val="en-US"/>
							</w:rPr>
							<w:t>Key points:</w:t>
						</w:r>
					</w:p>
					<w:p w:rsidR="00F80704" w:rsidRPr="00AF0002" w:rsidRDefault="00F80704" w:rsidP="00F80704">
						<w:pPr>
							<w:pStyle w:val="Paragraphedeliste"/>
							<w:numPr>
								<w:ilvl w:val="0"/>
								<w:numId w:val="1"/>
							</w:numPr>
							<w:rPr>
								<w:highlight w:val="cyan"/>
								<w:lang w:val="en-US"/>
							</w:rPr>
						</w:pPr>
						<w:r w:rsidRPr="00AF0002">
							<w:rPr>
								<w:highlight w:val="cyan"/>
								<w:lang w:val="en-US"/>
							</w:rPr>
							<w:t>point 1</w:t>
						</w:r>
					</w:p>
					<w:p w:rsidR="00F80704" w:rsidRPr="00AF0002" w:rsidRDefault="00F80704" w:rsidP="00F80704">
						<w:pPr>
							<w:pStyle w:val="Paragraphedeliste"/>
							<w:numPr>
								<w:ilvl w:val="0"/>
								<w:numId w:val="1"/>
							</w:numPr>
							<w:rPr>
								<w:highlight w:val="cyan"/>
								<w:lang w:val="en-US"/>
							</w:rPr>
						</w:pPr>
						<w:r w:rsidRPr="00AF0002">
							<w:rPr>
								<w:highlight w:val="cyan"/>
								<w:lang w:val="en-US"/>
							</w:rPr>
							<w:t>point 2</w:t>
						</w:r>
					</w:p>
					<w:p w:rsidR="00F80704" w:rsidRDefault="00F80704" w:rsidP="00F80704">
						<w:r w:rsidRPr="00AF0002">
							<w:rPr>
								<w:highlight w:val="cyan"/>
								<w:lang w:val="en-US"/>
							</w:rPr>
							<w:t>point 3</w:t>
						</w:r>
						<w:bookmarkEnd w:id="0"/>
					</w:p>
					<w:sectPr w:rsidR="00000000">
						<w:pgSz w:w="12240" w:h="15840"/>
						<w:pgMar w:top="1417" w:right="1417" w:bottom="1417" w:left="1417" w:header="720" w:footer="720" w:gutter="0"/>
						<w:cols w:space="720"/>
					</w:sectPr>
				</w:body>
			</w:document>
		</pkg:xmlData>
	</pkg:part>
</pkg:package>

As you can see, the last bullet list item doesn't not have a paragraph id, nor paragraph properties which makes it not identifiable as such.

I have another document with exactly the same issue except the last item is not in the bullet list.
I compared the two and there is no way to tell the difference.

The common point is the bookmarkEnd (with a very suspicious id but fortunately, I do not need it) for both. Removing it is not an options.

Is there a plan to fix those issues?

Thx.
Regards.

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3 answers

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  1. Jiale Xue - MSFT 48,966 Reputation points Microsoft Vendor
    2025-02-18T03:36:43.8266667+00:00

    Hi @Gael , Welcome to Microsoft Q&A,

    Use the WordprocessingDocument.FromFlatOpcString method provided by the Open XML SDK to parse Flat OPC XML. If you simply want to get <w:t>, there is an example for reference:

    using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using System;
using Paragraph = DocumentFormat.OpenXml.Wordprocessing.Paragraph;

namespace _2_18_1
{
    class Program
    {
        static void ParseFlatOpcXml(string flatOpcXml)
        {
            // Create a WordprocessingDocument directly using the FromFlatOpcString method
            using (var wordDoc = WordprocessingDocument.FromFlatOpcString(flatOpcXml))
            {
                var body = wordDoc.MainDocumentPart.Document.Body;
                Paragraph previousParagraph = null;

                foreach (var para in body.Elements<Paragraph>())
                {
                    // Try to get paragraph properties
                    var pPr = para.ParagraphProperties;
                    NumberingProperties numPr = null;
                    if (pPr != null)
                    {
                        numPr = pPr.NumberingProperties;
                    }

                    bool isListItem = false;
                    if (numPr != null)
                    {
                        // There is an explicit list numbering property
                        isListItem = true;
                    }
                    else
                    {
                        // If the current paragraph has no paragraph properties, determine whether the previous paragraph is a list item
                        if (previousParagraph != null)
                        {
                            var prevPPr = previousParagraph.ParagraphProperties;
                            if (prevPPr != null && prevPPr.NumberingProperties != null)
                            {
                                // Assuming that the previous paragraph is a list item, the current paragraph may also be a list item
                                isListItem = true;
                            }
                        }
                    }

                    // Perform different processing depending on whether it is a list item
                    if (isListItem)
                    {
                        Console.WriteLine("List item: " + para.InnerText);
                    }
                    else
                    {
                        Console.WriteLine("Normal paragraph: " + para.InnerText);
                    }

                    previousParagraph = para;
                }
            }
        }

        static void Main(string[] args)
        {
            string flatOpcXml = @"<?xml version=""1.0"" standalone=""yes""?>
<?mso-application progid=""Word.Document""?>
<pkg:package xmlns:pkg=""http://schemas.microsoft.com/office/2006/xmlPackage"">
	<pkg:part pkg:name=""/_rels/.rels"" pkg:contentType=""application/vnd.openxmlformats-package.relationships+xml"" pkg:padding=""512"">
		<pkg:xmlData>
			<Relationships xmlns=""http://schemas.openxmlformats.org/package/2006/relationships"">
				<Relationship Id=""rId1"" Type=""http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"" Target=""word/document.xml""/>
			</Relationships>
		</pkg:xmlData>
	</pkg:part>
	<pkg:part pkg:name=""/word/document.xml"" pkg:contentType=""application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"">
		<pkg:xmlData>
			<w:document xmlns:w=""http://schemas.openxmlformats.org/wordprocessingml/2006/main"">
				<w:body>
					<w:p w:rsidR=""00F80704"" w:rsidRPr=""00AF0002"" w:rsidRDefault=""00F80704"" w:rsidP=""00F80704"">
						<w:pPr>
							<w:rPr>
								<w:highlight w:val=""cyan""/>
								<w:lang w:val=""en-US""/>
							</w:rPr>
						</w:pPr>
						<w:bookmarkStart w:id=""0"" w:name=""REQ_WORL3_0003""/>
						<w:r w:rsidRPr=""00AF0002"">
							<w:rPr>
								<w:highlight w:val=""cyan""/>
								<w:lang w:val=""en-US""/>
							</w:rPr>
							<w:t>Key points:</w:t>
						</w:r>
					</w:p>
					<w:p w:rsidR=""00F80704"" w:rsidRPr=""00AF0002"" w:rsidRDefault=""00F80704"" w:rsidP=""00F80704"">
						<w:pPr>
							<w:pStyle w:val=""Paragraphedeliste""/>
							<w:numPr>
								<w:ilvl w:val=""0""/>
								<w:numId w:val=""1""/>
							</w:numPr>
							<w:rPr>
								<w:highlight w:val=""cyan""/>
								<w:lang w:val=""en-US""/>
							</w:rPr>
						</w:pPr>
						<w:r w:rsidRPr=""00AF0002"">
							<w:rPr>
								<w:highlight w:val=""cyan""/>
								<w:lang w:val=""en-US""/>
							</w:rPr>
							<w:t>point 1</w:t>
						</w:r>
					</w:p>
					<w:p w:rsidR=""00F80704"" w:rsidRPr=""00AF0002"" w:rsidRDefault=""00F80704"" w:rsidP=""00F80704"">
						<w:pPr>
							<w:pStyle w:val=""Paragraphedeliste""/>
							<w:numPr>
								<w:ilvl w:val=""0""/>
								<w:numId w:val=""1""/>
							</w:numPr>
							<w:rPr>
								<w:highlight w:val=""cyan""/>
								<w:lang w:val=""en-US""/>
							</w:rPr>
						</w:pPr>
						<w:r w:rsidRPr=""00AF0002"">
							<w:rPr>
								<w:highlight w:val=""cyan""/>
								<w:lang w:val=""en-US""/>
							</w:rPr>
							<w:t>point 2</w:t>
						</w:r>
					</w:p>
					<w:p w:rsidR=""00F80704"" w:rsidRDefault=""00F80704"" w:rsidP=""00F80704"">
						<w:r w:rsidRPr=""00AF0002"">
							<w:rPr>
								<w:highlight w:val=""cyan""/>
								<w:lang w:val=""en-US""/>
							</w:rPr>
							<w:t>point 3</w:t>
						</w:r>
						<w:bookmarkEnd w:id=""0""/>
					</w:p>
					<w:sectPr w:rsidR=""00000000"">
						<w:pgSz w:w=""12240"" w:h=""15840""/>
						<w:pgMar w:top=""1417"" w:right=""1417"" w:bottom=""1417"" w:left=""1417"" w:header=""720"" w:footer=""720"" w:gutter=""0""/>
						<w:cols w:space=""720""/>
					</w:sectPr>
				</w:body>
			</w:document>
		</pkg:xmlData>
	</pkg:part>
</pkg:package>";

            ParseFlatOpcXml(flatOpcXml);
            Console.ReadLine();
        }
    }
}

    Best Regards,

    Jiale

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