WPF RichTextBox用行号创建编辑器

您好！您提到的问题是关于WPF RichTextBox用行号创建编辑器。以下是我的回答：

WPF RichTextBox是Windows Presentation Foundation中的一个控件，它可以显示和编辑富文本内容，包括文本、图像、表格等。要在RichTextBox中添加行号，可以使用以下方法：

<RichTextBox x:Name="richTextBox" />

private void AddLineNumbers()

{

TextPointer insertionPosition = richTextBox.Document.ContentStart;

string text = richTextBox.Document.Blocks.FirstBlock.ToString();

string[] lines = text.Split('\n');

for (int i = 0; i< lines.Length; i++)

    // 创建一个Run对象，用于显示行号

    Run run = new Run((i + 1).ToString() + " ");

    // 将行号Run对象添加到文档中

    insertionPosition = richTextBox.Document.ContentStart.InsertLineBreak();

    insertionPosition.InsertTextInRun(" ");

    insertionPosition.InsertTextInRun(" ");

    insertionPosition.InsertTextInRun(" ");

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