C＃中的XML多行注释 - 我做错了什么？

Question

According to this article , it's possible to get multiline XML comments -- instead of using /// , use /** */ . This is my interpretation of what multiline comments are, and what I want to have happen:

/**
 * <summary>
 * this comment is on line 1 in the tooltip
 * this comment is on line 2 in the tooltip
 * </summary>
 */

However, when I use this form, the tooltip that pops up when I hover over my class name in my code is single-line, ie it looks exactly as if I had written my comment like this:

/// <summary>
/// this comment is on line 1 in the tooltip
/// this comment is on line 2 in the tooltip
/// </summary>

Is this behavior actually possible still in VS2008?

EDIT

gabe pointed out that I have misunderstood what "multiline" means, and I actually need to use <para> or <br> to get my intended effect. I went ahead and used <br> because I want to control where the line breaks occur, ie

/// <summary>
/// this comment is on line 1 in the tooltip<br/>
/// this comment is on line 2 in the tooltip<br/>
/// </summary>

When I look at the tooltip for this class in my code, everything still ends up on one line... WTH? Did I do something wrong here?

UPDATE

Ok, I went ahead and tried the <para> tag on each line, and that works. Not sure why <br/> doesn't.

/// <summary>
/// <para>this comment is on line 1 in the tooltip</para>
/// <para>this comment is on line 2 in the tooltip</para>
/// </summary>

Answer 1

It sounds like you are confused about what "multi-line" means. A single-line comment ends at the end of the line of source code, and if you want to continue that comment you must put a " /// " on the next line. A multi-line comment starts with a " /* " and ends with a " */ " so it can end either on the same line or multiple lines down.

Being "multi-line" says nothing about any how the text within the comment is displayed. To put a line break in an XML comment you must insert a <br/> ("break") or wrap the line in a <para> ("paragraph") tag.

Answer 2

Try this

/// <summary>
/// this comment is on line 1 in the tooltip
/// <para>this comment is on line 2 in the tooltip</para>
/// </summary>

Answer 3

Add <br/> for line breaks or enclose the paragraphs in <para>...</para> . It's just like XML and HTML, the line break is nothing but whitespace.