C# 如何在Microsoft Bot框架中的对话框之间传递对象?
我试图在Bot框架中的两个对话框之间传递类型为C# 如何在Microsoft Bot框架中的对话框之间传递对象?,c#,bots,botframework,C#,Bots,Botframework,我试图在Bot框架中的两个对话框之间传递类型为IList的对象。下面是我的代码现在的样子: 主对话框: [Serializable] public class CarouselCardsDialog : IDialog<object> { public async Task StartAsync(IDialogContext context) { context.Wait(this.MessageReceivedAsync); } p
IList
的对象。下面是我的代码现在的样子:
主对话框:
[Serializable]
public class CarouselCardsDialog : IDialog<object>
{
public async Task StartAsync(IDialogContext context)
{
context.Wait(this.MessageReceivedAsync);
}
public virtual async Task MessageReceivedAsync(IDialogContext context, IAwaitable<IMessageActivity> result)
{
//This object, 'attachments' is what I need to pass to the child dialog.
IList<Attachment> attachments = GetCardsAttachments();
context.Call(new CarouselDialog(attachments), ResumeAfterPrompt);
}
private async Task ResumeAfterPrompt(IDialogContext context, IAwaitable<string> result)
{
string input = await result;
await context.PostAsync(input);
context.Wait(MessageReceivedAsync);
}
private static IList<Attachment> GetCardsAttachments()
{
//Get a list of attachment
}
}
[可序列化]
公共类旋转木马CardSDialog:IDialog
{
公共异步任务StartAsync(IDialogContext上下文)
{
context.Wait(this.MessageReceivedAsync);
}
公共虚拟异步任务消息ReceivedAsync(IDialogContext上下文,IAwaitable结果)
{
//我需要将此对象“附件”传递给子对话框。
IList attachments=GetCardsAttachments();
调用(新的CarouselDialog(附件),ResumeAfterPrompt);
}
专用异步任务ResumeAfterPrompt(IDialogContext上下文,IAwaitable结果)
{
字符串输入=等待结果;
等待上下文。PostAsync(输入);
Wait(MessageReceivedAsync);
}
私有静态IList GetCardsAttachments()
{
//获取附件列表
}
}
这是子对话框。我想将附件列表从CarouseCardsDialog传递到此对象:
[Serializable]
public class CarouselDialog : IDialog<string>
{
private IList<Attachment> _attachments;
public CarouselDialog(IList<Attachment> attachments)
{
_attachments = attachments;
}
public async Task StartAsync(IDialogContext context)
{
IMessageActivity reply = context.MakeMessage();
reply.AttachmentLayout = AttachmentLayoutTypes.Carousel;
reply.Attachments = _attachments;
await context.PostAsync(reply);
context.Wait(MessageReceivedAsync);
}
public virtual async Task MessageReceivedAsync(IDialogContext context, IAwaitable<IMessageActivity> result)
{
IMessageActivity activity = await result;
context.Done(activity.Text);
}
}
[可序列化]
公共类旋转木马:IDialog
{
私人IList_附件;
公共旋转木马(IList附件)
{
_附件=附件;
}
公共异步任务StartAsync(IDialogContext上下文)
{
IMessageActivity reply=context.MakeMessage();
reply.AttachmentLayout=attachmentlayoututypes.Carousel;
答复.附件=_附件;
等待上下文。PostAsync(回复);
Wait(MessageReceivedAsync);
}
公共虚拟异步任务消息ReceivedAsync(IDialogContext上下文,IAwaitable结果)
{
IMessageActivity活动=等待结果;
context.Done(activity.Text);
}
}
但是,当我运行此代码时,会出现以下错误:
例外:在程序集中键入“Microsoft.Bot.Connector.Attachment”
'Microsoft.Bot.Connector,版本=3.5.1.0,区域性=中性,
PublicKeyToken=31bf3856ad364e35'未标记为可序列化
我做错了什么?有办法解决这个问题吗?不确定是否存在异常,但解决方法是为制作附件所需的所有数据创建一个模型,然后将此数据保存在上下文的UserData属性中
context.UserData.SetValue<MyModel>("AttachmentsModel", instanceOfModel);
context.UserData.SetValue(“AttachmentsModel”,instanceOfModel);
然后在第二个对话框中检索此模型
MyModel model;
context.UserData.TryGetValue<MyModel>("AttachmentsModel", out model);
MyModel模型;
context.UserData.TryGetValue(“AttachmentsModel”,out model);
我认为您也可以尝试将IAttachment对象放置在此属性中,但模型会更好,因为它实际上不是用来容纳大型对象的。错误消息使您的“Attachment”类听起来像是需要[Serializable],否则依赖它的类也不会是这样。@CSmith感谢您的输入。问题是附件类属于框架,所以我认为改变它是不现实的。您知道这样的问题是否有解决方法吗?您可以创建自己的类,将其标记为可序列化,并使用附件类中感兴趣的值填充它。。