Botframework V4：如何发送视频附件？答案

【问题标题】：Botframework V4: How to send video attachment?Botframework V4：如何发送视频附件？
【发布时间】：2019-01-22 01:38:34
【问题描述】：

如果这看起来像一个轻松的问题，我很抱歉，但我真的无法在任何地方找到它。 docs 中也没有样本。并且互联网上没有太多关于 botframework v4 的指南。谁能给我一个视频卡或视频英雄卡或轮播形式的视频英雄卡的示例？谢谢！

【问题讨论】：

标签： c# botframework

【解决方案1】：

嗨嗨！

Bot Framework 示例存储库的 C# 部分中有一个示例，名为 "06. Using Cards"。如果您运行此示例，它将显示机器人框架可以执行的所有卡片的示例，通道允许。在示例中，您可以选择“全部显示”以查看轮播中的卡片，其中一张卡片是视频卡。

private static VideoCard GetVideoCard()
    {
        var videoCard = new VideoCard
        {
            Title = "Big Buck Bunny",
            Subtitle = "by the Blender Institute",
            Text = "Big Buck Bunny (code-named Peach) is a short computer-animated comedy film by the Blender Institute," +
                   " part of the Blender Foundation. Like the foundation's previous film Elephants Dream," +
                   " the film was made using Blender, a free software application for animation made by the same foundation." +
                   " It was released as an open-source film under Creative Commons License Attribution 3.0.",
            Image = new ThumbnailUrl
            {
                Url = "https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Big_buck_bunny_poster_big.jpg/220px-Big_buck_bunny_poster_big.jpg",
            },
            Media = new List<MediaUrl>
            {
                new MediaUrl()
                {
                    Url = "http://download.blender.org/peach/bigbuckbunny_movies/BigBuckBunny_320x180.mp4",
                },
            },
            Buttons = new List<CardAction>
            {
                new CardAction()
                {
                    Title = "Learn More",
                    Type = ActionTypes.OpenUrl,
                    Value = "https://peach.blender.org/",
                },
            },
        };

        return videoCard;
    }

【讨论】：

非常感谢。这就是我需要的。