Word Heading 可以作为 Word 文档中每个部分的标题。本指南演示了管理这些 Word 标题并将它们形成为 C# 和 VB.NET 中的目录的解决方案。

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在 Word 文档中，用户可以设置一些内容，例如以下段落的摘要短语，作为标题。这些Word标题可以显示在整个文档的第一页，排列后形成目录，让读者可以得到整个文档的大纲。本指南中的解决方案介绍了如何通过 Spire.Doc for .NET 在 C# 和 VB.NET 中新创建的文档中管理带有编号样式的 Word 标题，下面的屏幕截图显示了管理 Word 标题的结果。

Heading 是段落的一种样式，Spire.Doc for .NET 为段落提供了几种 BuiltinStyle 类型。在此示例中，将应用三种 BuiltinStyle 类型：Heading1、Heading2 和 Heading3。接下来，将逐步介绍详细信息。

首先，初始化一个 Document 实例，并为这个实例添加部分、段落。其次，调用带有参数字符串文本的AppendText方法和Paragraph类的ApplyStyle(BuiltinStyle.Heading1)方法来添加文本并为新添加的段落设置标题样式。然后，调用Paragraph 类的ListFromat.ApplyNumberedStyle()方法为其设置编号列表。第三，添加新段落并为其设置 Heading2 样式作为上一步。使用 Numbered ListType初始化文档的ListStyle实例。然后，从 ListStyle 初始化一个ListLevel实例，并为此实例设置UsePrevLevelPattern和NumberPrefix属性。之后，调用Document类的ListStyleCollection.Add(ListStyle)方法和Paragraph类的ListFormat.ApplyStyle方法，参数字符串styleName为Heading2添加ListStyle。第四，添加一个新段落并将BuiltinStyle设置为Heading3，并为该段落应用ListStyle作为上一步。最后，调用 Document 类的 SaveToFile 方法，使用参数字符串 fileName 和 FileFormat 来保存这个文档。参考代码：

[C＃]

using Spire.Doc;
using Spire.Doc.Documents;

namespace WordHeading
{
class Heading
{
static void Main(string[] args)
{
//Create Document
Document document = new Document();
Section section = document.AddSection();
Paragraph paragraph
= section.Paragraphs.Count > 0 ? section.Paragraphs[0] : section.AddParagraph();

//Add Heading 1
paragraph = section.AddParagraph();
paragraph.AppendText(BuiltinStyle.Heading1.ToString());
paragraph.ApplyStyle(BuiltinStyle.Heading1);
paragraph.ListFormat.ApplyNumberedStyle();

//Add Heading 2
paragraph = section.AddParagraph();
paragraph.AppendText(BuiltinStyle.Heading2.ToString());
paragraph.ApplyStyle(BuiltinStyle.Heading2);

//List Style for Headings 2
ListStyle listSty2 = new ListStyle(document, ListType.Numbered);
foreach (ListLevel listLev in listSty2.Levels)
{
listLev.UsePrevLevelPattern = true;
listLev.NumberPrefix = "1.";
}
listSty2.Name = "MyStyle2";
document.ListStyles.Add(listSty2);
paragraph.ListFormat.ApplyStyle(listSty2.Name);

//Add List Style 3
ListStyle listSty3 = new ListStyle(document, ListType.Numbered);
foreach (ListLevel listLev in listSty3.Levels)
{
listLev.UsePrevLevelPattern = true;
listLev.NumberPrefix = "1.1.";
}
listSty3.Name = "MyStyle3";
document.ListStyles.Add(listSty3);

//Add Heading 3
for (int i = 0; i < 4; i++)
{
paragraph = section.AddParagraph();

//Append Text
paragraph.AppendText(BuiltinStyle.Heading3.ToString());

//Apply List Style 3 for Heading 3
paragraph.ApplyStyle(BuiltinStyle.Heading3);
paragraph.ListFormat.ApplyStyle(listSty3.Name);
}

//Save and Launch
document.SaveToFile("Word Headings.docx", FileFormat.Docx);
System.Diagnostics.Process.Start("Word Headings.docx");
}
}
}

[VB.NET]

Imports Spire.Doc
Imports Spire.Doc.Documents

Namespace WordHeading
Friend Class Heading
Shared Sub Main(ByVal args() As String)
'Create Document
Dim document As New Document()
Dim section As Section = document.AddSection()
Dim paragraph As Paragraph = If(section.Paragraphs.Count > 0, section.Paragraphs(0), section.AddParagraph())

'Add Heading 1
paragraph = section.AddParagraph()
paragraph.AppendText(BuiltinStyle.Heading1.ToString())
paragraph.ApplyStyle(BuiltinStyle.Heading1)
paragraph.ListFormat.ApplyNumberedStyle()

'Add Heading 2
paragraph = section.AddParagraph()
paragraph.AppendText(BuiltinStyle.Heading2.ToString())
paragraph.ApplyStyle(BuiltinStyle.Heading2)

'List Style for Headings 2
Dim listSty2 As New ListStyle(document, ListType.Numbered)
For Each listLev As ListLevel In listSty2.Levels
listLev.UsePrevLevelPattern = True
listLev.NumberPrefix = "1."
Next listLev
listSty2.Name = "MyStyle2"
document.ListStyles.Add(listSty2)
paragraph.ListFormat.ApplyStyle(listSty2.Name)

'Add List Style 3
Dim listSty3 As New ListStyle(document, ListType.Numbered)
For Each listLev As ListLevel In listSty3.Levels
listLev.UsePrevLevelPattern = True
listLev.NumberPrefix = "1.1."
Next listLev
listSty3.Name = "MyStyle3"
document.ListStyles.Add(listSty3)

'Add Heading 3
For i As Integer = 0 To 3
paragraph = section.AddParagraph()

'Append Text
paragraph.AppendText(BuiltinStyle.Heading3.ToString())

'Apply List Style 3 for Heading 3
paragraph.ApplyStyle(BuiltinStyle.Heading3)
paragraph.ListFormat.ApplyStyle(listSty3.Name)
Next i

'Save and Launch
document.SaveToFile("Word Headings.docx", FileFormat.Docx)
System.Diagnostics.Process.Start("Word Headings.docx")
End Sub
End Class
End Namespace

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