我收到以下错误:
异常:捕获环境的匿名方法闭包不可序列化,请考虑删除环境捕获或使用反射序列化代理:assistant.dialogs.Forms.SupportRequest +<> c__DisplayClass7_0'
当我尝试在Chain中设置内部属性时。
你能帮忙吗?
我的代码:
public enum SystemSelection { SharePoint, BizTalk, Azure, Office365 };
public enum RequestType { Bug, SupportRequest, Question };
public enum Importance { Blocking, High, Medium, Low };
[Serializable]
class Declaration
{
public string Type;
public string Amount;
public string Date;
public static IForm<Declaration> BuildForm()
{
return new FormBuilder<Declaration>()
.Message("Add a declaration")
.Build();
}
}
[Serializable]
class SupportRequest
{
public SystemSelection? SystemSelection;
public RequestType? RequestType;
public Importance? Importance;
public Declaration Declaration;
public static IForm<SupportRequest> BuildForm()
{
return new FormBuilder<SupportRequest>()
.Message("Welcome to the simple support bot!")
.AddRemainingFields()
.Build();
}
internal static IDialog<SupportRequest> MakeRootDialog3()
{
SupportRequest t = null;
var dlg = Chain.ContinueWith(FormDialog.FromForm(SupportRequest.BuildForm),
async (context, res) =>
{
t = await res;
return Chain.ContinueWith<Declaration, SupportRequest>(FormDialog.FromForm(Declaration.BuildForm),
async (context2, res2) =>
{
t.Declaration = await res2;
return Chain.Return(t);
});
});
return dlg;
}
}
答案 0 :(得分:1)
这是预期的,因为匿名方法不是可序列化的,并且您需要docs来确保所有对话框都是可序列化的:
确保所有对话框都可序列化。 这可以像在IDialog实现上使用[Serializable]属性一样简单。但是,请注意,如果匿名方法闭包引用其外部环境来捕获变量,则它们不可序列化。 Bot Framework支持基于反射的序列化代理,以帮助序列化未标记为可序列化的类型。
您必须使用非匿名方法替换您定义为匿名方法的ResumeAfter<T>
延续。
或者,您可以尝试通过将Reflection Serialization Surrogate添加到Autofac容器来注册它。在您的global.asax中,尝试添加以下代码:
Conversation.UpdateContainer(builder =>
{
builder.RegisterModule(new ReflectionSurrogateModule());
});