Comment

This article demonstrates adding, reading, removing, and replying to modern comments using Aspose.Slides for .NET.

Add a Modern Comment

Create a comment authored by a user and save the presentation.

static void AddModernComment()
{
    using var presentation = new Presentation();
    var slide = presentation.Slides[0];

    var author = presentation.CommentAuthors.AddAuthor("User", "U1");
    author.Comments.AddModernComment("This is a modern comment", slide, null, new PointF(100, 100), DateTime.Now);

    presentation.Save("modern_comment.pptx", SaveFormat.Pptx);
}

Access a Modern Comment

Read a modern comment from an existing presentation.

static void AccessModernComment()
{
    using var presentation = new Presentation("modern_comment.pptx");
    var author = presentation.CommentAuthors[0];

    var comment = (IModernComment)author.Comments[0];
    Console.WriteLine($"Author: {author.Name}, Comment: {comment.Text}, Position: {comment.Position}");
}

Remove a Modern Comment

Remove a comment and save the updated file.

static void RemoveModernComment()
{
    using var presentation = new Presentation("modern_comment.pptx");
    var author = presentation.CommentAuthors[0];

    var comment = author.Comments[0];
    comment.Remove();

    presentation.Save("modern_comment_removed.pptx", SaveFormat.Pptx);
}

Reply to a Modern Comment

Add replies to a parent modern comment.

static void ReplyToModernComment()
{
    using var presentation = new Presentation();
    var slide = presentation.Slides[0];

    var author = presentation.CommentAuthors.AddAuthor("User", "U1");

    var parentComment = author.Comments.AddModernComment("Parent comment", slide, null, new PointF(100, 100), DateTime.Now);
    var reply1 = author.Comments.AddModernComment("Reply 1", slide, null, new PointF(110, 100), DateTime.Now);
    var reply2 = author.Comments.AddModernComment("Reply 2", slide, null, new PointF(120, 100), DateTime.Now);

    reply1.ParentComment = parentComment;
    reply2.ParentComment = parentComment;

    presentation.Save("modern_comment_replies.pptx", SaveFormat.Pptx);
}