8.1 - Need behavior of a task FIFO queue that can update the UI

I need behavior of a task FIFO queue that can update the UI.
Background Task seems a bit overkill.
ThreadPool is not available in 8.1.
I was considering an implementation using ConcurrentQueue<Action> in a long running task.
Design pattern suggestions?
Thanks

Use the Windows Runtime's Windows.System.Threading.ThreadPool
, not .Net's System.Threading.ThreadPool.
You can use Intellisense to help find the reference if you don't explicitly fully qualify the class. Select the red-squiggled ThreadPool symbol in the editor and a lightbulb (on VS2015) or a blue box (on VS2013) widget will appear to offer fixes. Click for
a dropdown or use the Ctrl+. keyboard accelerator. Here's the VS2015 version:
See my video blog
http://channel9.msdn.com/Series/Windows-Store-Developer-Solutions/Visual-Studios-Red-Squigglies for a visual overview of this feature.

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using SP = Microsoft.SharePoint.Client;
namespace SPAppBasicWeb
public partial class Default : System.Web.UI.Page
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Uri redirectUrl;
switch (SharePointContextProvider.CheckRedirectionStatus(Context, out redirectUrl))
case RedirectionStatus.Ok:
return;
case RedirectionStatus.ShouldRedirect:
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break;
case RedirectionStatus.CanNotRedirect:
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Response.End();
break;
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// The following code gets the client context and Title property by using TokenHelper.
// To access other properties, the app may need to request permissions on the host web.
var spContext = SharePointContextProvider.Current.GetSharePointContext(Context);
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cc.Load<Microsoft.SharePoint.Client.ListItemCollection>(items);
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cc.ExecuteQuery();
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="SPAppBasicWeb.Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
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<Columns>
<asp:TemplateField>
<ItemTemplate>
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</Columns>
</asp:GridView>
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</body>
</html>
http://www.net4geeks.com Who said I was a geek?

Hi,
Please try to modify your code as below:
using (var clientContext = spContext.CreateUserClientContextForSPHost())
SP.Web web = clientContext.Web;
SP.List list = web.Lists.GetByTitle("General Tasks");
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clientContext.Load(items);
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http://blogs.msdn.com/b/steve_fox/archive/2013/02/22/building-your-first-provider-hosted-app-for-sharepoint-part-2.aspx
Best Regards
Dennis Guo
TechNet Community Support

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8.1 - Need behavior of a task FIFO queue that can update the UI

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