在openxml中插入连续编号的段落列表

我有一个带有编号列表段的word文档 . 例如

• 列出项目

• Google新闻是由Google开发的新闻聚合器和应用 . 它提供了由数千家出版商组织的连续，可定制的文章流 .

• 第3段 .

我的要求是继续插入两个更多编号的列表4.，5 . 等段落（带文本） . 并且还应保留前一段格式 .

使用当前代码，编号列表从1开始而不是4.没有得到我错的地方 .

NumberingDefinitionsPart numberingPart = Document.MainDocumentPart.NumberingDefinitionsPart;
var abstractNumId = numberingPart.Numbering.Elements<AbstractNum>().Count() + 1;
AbstractNum abstractNum1 = new AbstractNum() { AbstractNumberId = abstractNumId };
abstractNum1.SetAttribute(new OpenXmlAttribute("w15", "restartNumberingAfterBreak", "http://schemas.microsoft.com/office/word/2012/wordml", "0"));

Paragraph paragraph15 = new Paragraph() { RsidParagraphMarkRevision = "005B5111", RsidParagraphAddition = "0012034F", RsidParagraphProperties = "005B5111", RsidRunAdditionDefault = "004A6864", ParagraphId = "555A4D6E", TextId = "49553577" };

ParagraphProperties paragraphProperties11 = new ParagraphProperties();
ParagraphStyleId paragraphStyleId11 = new ParagraphStyleId() { Val = "ListParagraph" };
Level level2 = new Level() { LevelIndex = 6, TemplateCode = "04090019", Tentative = true };
StartNumberingValue startNumberingValue2 = new StartNumberingValue() { Val = 1 };
NumberingFormat numberingFormat2 = new NumberingFormat() { Val = NumberFormatValues.LowerLetter };

LevelJustification levelJustification2 = new LevelJustification() { Val = LevelJustificationValues.Left };

PreviousParagraphProperties previousParagraphProperties2 = new PreviousParagraphProperties();

NumberingProperties numberingProperties1 = new NumberingProperties();
NumberingLevelReference numberingLevelReference1 = new NumberingLevelReference() { Val = 0 };
NumberingId numberingId1 = new NumberingId() { Val = 4 };
LevelText levelText2 = new LevelText() { Val = "%7." };
level2.Append(startNumberingValue2);
level2.Append(numberingFormat2);
level2.Append(levelText2);
level2.Append(levelJustification2);
level2.Append(previousParagraphProperties2);

abstractNum1.Append(level2);

numberingProperties1.Append(numberingLevelReference1);
numberingProperties1.Append(numberingId1);

ParagraphMarkRunProperties paragraphMarkRunProperties8 = new ParagraphMarkRunProperties();
RunFonts runFonts54 = new RunFonts() { Ascii = "Arial", HighAnsi = "Arial", ComplexScript = "Arial" };
Color color1 = new Color() { Val = "626262" };
FontSize fontSize56 = new FontSize() { Val = "20" };
FontSizeComplexScript fontSizeComplexScript6 = new FontSizeComplexScript() { Val = "20" };
Shading shading1 = new Shading() { Val = ShadingPatternValues.Clear, Color = "auto", Fill = "FFFFFF" };

paragraphMarkRunProperties8.Append(runFonts54);
paragraphMarkRunProperties8.Append(color1);
paragraphMarkRunProperties8.Append(fontSize56);
paragraphMarkRunProperties8.Append(fontSizeComplexScript6);
paragraphMarkRunProperties8.Append(shading1);

paragraphProperties11.Append(paragraphStyleId11);
paragraphProperties11.Append(numberingProperties1);
paragraphProperties11.Append(paragraphMarkRunProperties8);
BookmarkStart bookmarkStart1 = new BookmarkStart() { Name = "_GoBack", Id = "0" };
BookmarkEnd bookmarkEnd1 = new BookmarkEnd() { Id = "6" };

Run run45 = new Run() { RsidRunProperties = "005B5111" };

RunProperties runProperties41 = new RunProperties();
RunFonts runFonts55 = new RunFonts() { Ascii = "Arial", HighAnsi = "Arial", ComplexScript = "Arial" };
Color color2 = new Color() { Val = "626262" };
FontSize fontSize57 = new FontSize() { Val = "20" };
FontSizeComplexScript fontSizeComplexScript7 = new FontSizeComplexScript() { Val = "20" };
Shading shading2 = new Shading() { Val = ShadingPatternValues.Clear, Color = "auto", Fill = "FFFFFF" };

runProperties41.Append(runFonts55);
runProperties41.Append(color2);
runProperties41.Append(fontSize57);
runProperties41.Append(fontSizeComplexScript7);
runProperties41.Append(shading2);
Text text21 = new Text();
text21.Text = "agency or by the Public Records";
run45.Append(runProperties41);
run45.Append(text21);

Run run46 = new Run();

RunProperties runProperties42 = new RunProperties();
RunFonts runFonts56 = new RunFonts() { Ascii = "Arial", HighAnsi = "Arial", ComplexScript = "Arial" };
Color color3 = new Color() { Val = "626262" };
FontSize fontSize58 = new FontSize() { Val = "20" };
FontSizeComplexScript fontSizeComplexScript8 = new FontSizeComplexScript() { Val = "20" };
Shading shading3 = new Shading() { Val = ShadingPatternValues.Clear, Color = "auto", Fill = "FFFFFF" };

runProperties42.Append(runFonts56);
runProperties42.Append(color3);
runProperties42.Append(fontSize58);
runProperties42.Append(fontSizeComplexScript8);
runProperties42.Append(shading3);
Text text22 = new Text();
text22.Text = ".";

run46.Append(runProperties42);
run46.Append(text22);

paragraph15.Append(paragraphProperties11);
paragraph15.Append(bookmarkStart1);
paragraph15.Append(bookmarkEnd1);
paragraph15.Append(run45);
paragraph15.Append(run46);
Document.MainDocumentPart.Document.Body.Append(paragraph15);