DateTime

Comment.DateTime property

获取发表评论的日期和时间。

public DateTime DateTime { get; set; }

评论

默认为MinValue。

例子

展示如何使用文档访问者打印所有注释的内容及其注释范围。

public void CreateCommentsAndPrintAllInfo()
{
    Document doc = new Document();

    Comment newComment = new Comment(doc)
    {
        Author = "VDeryushev",
        Initial = "VD",
        DateTime = DateTime.Now
    };

    newComment.SetText("Comment regarding text.");

    // 将文本添加到文档中，将其扭曲到注释范围内，然后添加您的注释。
    Paragraph para = doc.FirstSection.Body.FirstParagraph;
    para.AppendChild(new CommentRangeStart(doc, newComment.Id));
    para.AppendChild(new Run(doc, "Commented text."));
    para.AppendChild(new CommentRangeEnd(doc, newComment.Id));
    para.AppendChild(newComment); 

    // 添加两条对评论的回复。
    newComment.AddReply("John Doe", "JD", DateTime.Now, "New reply.");
    newComment.AddReply("John Doe", "JD", DateTime.Now, "Another reply.");

    PrintAllCommentInfo(doc.GetChildNodes(NodeType.Comment, true));
}

/// <summary>
/// 迭代每个顶级评论并打印其评论范围、内容和回复。
/// </summary>
private static void PrintAllCommentInfo(NodeCollection comments)
{
    CommentInfoPrinter commentVisitor = new CommentInfoPrinter();

    // 迭代所有顶级注释。与回复类型评论不同，顶级评论没有祖先。
    foreach (Comment comment in comments.Where(c => ((Comment)c).Ancestor == null))
    {
        // 首先，访问评论范围的开头。
        CommentRangeStart commentRangeStart = (CommentRangeStart)comment.PreviousSibling.PreviousSibling.PreviousSibling;
        commentRangeStart.Accept(commentVisitor);

        // 然后，访问评论及其可能有的任何回复。
        comment.Accept(commentVisitor);

        foreach (Comment reply in comment.Replies)
            reply.Accept(commentVisitor);

        // 最后访问评论范围末尾，然后打印访问者的文本内容。
        CommentRangeEnd commentRangeEnd = (CommentRangeEnd)comment.PreviousSibling;
        commentRangeEnd.Accept(commentVisitor);

        Console.WriteLine(commentVisitor.GetText());
    }
}

/// <summary>
/// 打印文档中遇到的所有注释和注释范围的信息和内容。
/// </summary>
public class CommentInfoPrinter : DocumentVisitor
{
    public CommentInfoPrinter()
    {
        mBuilder = new StringBuilder();
        mVisitorIsInsideComment = false;
    }

    /// <summary>
    /// 获取访问者积累的文档的纯文本。
    /// </summary>
    public string GetText()
    {
        return mBuilder.ToString();
    }

    /// <summary>
    /// 在文档中遇到 Run 节点时调用。
    /// </summary>
    public override VisitorAction VisitRun(Run run)
    {
        if (mVisitorIsInsideComment) IndentAndAppendLine("[Run] \"" + run.Text + "\"");

        return VisitorAction.Continue;
    }

    /// <summary>
    /// 在文档中遇到 CommentRangeStart 节点时调用。
    /// </summary>
    public override VisitorAction VisitCommentRangeStart(CommentRangeStart commentRangeStart)
    {
        IndentAndAppendLine("[Comment range start] ID: " + commentRangeStart.Id);
        mDocTraversalDepth++;
        mVisitorIsInsideComment = true;

        return VisitorAction.Continue;
    }

    /// <summary>
    /// 在文档中遇到 CommentRangeEnd 节点时调用。
    /// </summary>
    public override VisitorAction VisitCommentRangeEnd(CommentRangeEnd commentRangeEnd)
    {
        mDocTraversalDepth--;
        IndentAndAppendLine("[Comment range end] ID: " + commentRangeEnd.Id + "\n");
        mVisitorIsInsideComment = false;

        return VisitorAction.Continue;
    }

    /// <summary>
    /// 在文档中遇到 Comment 节点时调用。
    /// </summary>
    public override VisitorAction VisitCommentStart(Comment comment)
    {
        IndentAndAppendLine(
            $"[Comment start] For comment range ID {comment.Id}, By {comment.Author} on {comment.DateTime}");
        mDocTraversalDepth++;
        mVisitorIsInsideComment = true;

        return VisitorAction.Continue;
    }

    /// <summary>
    /// 当文档中Comment节点的访问结束时调用。
    /// </summary>
    public override VisitorAction VisitCommentEnd(Comment comment)
    {
        mDocTraversalDepth--;
        IndentAndAppendLine("[Comment end]");
        mVisitorIsInsideComment = false;

        return VisitorAction.Continue;
    }

    /// <summary>
    /// 将一行追加到 StringBuilder 并根据访问者在文档树中的深度对其进行缩进。
    /// </summary>
    /// <param name="text"></param>;
    private void IndentAndAppendLine(string text)
    {
        for (int i = 0; i < mDocTraversalDepth; i++)
        {
            mBuilder.Append("|  ");
        }

        mBuilder.AppendLine(text);
    }

    private bool mVisitorIsInsideComment;
    private int mDocTraversalDepth;
    private readonly StringBuilder mBuilder;
}

也可以看看

Comment.Author Comment.Done