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UWP sqlite-net Async database access

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问题 On my UWP app, I'm using sqlite-net to access the database. According to their GitHub Page I'm using Source Installation. Now I want to migrate to using the Nuget package (To get the latest updates) and they have mentioned getting the PCL package. When I add the PCL package I don't have Async operations available like it was on Source Installation. Please let me know how to proceed on this matter. When it comes to UWP and I want to use sqlite-net I see soo many nugets in VS 2015 Nuget Package

UWP sqlite-net Async database access

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Can't find SeiralPort Device by using SerialDevice.FromIdAsync() and got imformation that “DeviceAccessStatus.DeniedByUser”

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问题 CustomSerialDeviceAccess is a sample on Microsoft's GitHub and it's for UWP to read/write SerialPort. The problem is that the sample can open devices on Win10 but get "DeniedByUser" on Windows Server 2019 & Windows Server 2016. I try to find some different things about Registry and Group Policy but get nothing. Can you give me some suggestions? Thx! 回答1: I got the way to fix the problem. Use MDM/GP to set the trusted devices policy to ForceAllow. For GP example, gpedit.msc -> Administrative

Why does Ionic/Cordova build for Windows UWP add Content URI to appxmanifest?

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问题 I have an Ionic(3) Cordova application, where I want to include a Windows UWP version. On iOS and Android I have no problems, but UWP I just cannot get my ajax to work and be store compliant. My issue is with my ajax calls being blocked on corporate networks as outlined here So, the issue was I needed to add privateNetworkClientServer , which when testing locally, fixed the blocking issue. Also, as explained in the link, I have attempted to add the "local mode". The store now rejects it with

Faulting module name: Windows.UI.Xaml.dll in UWP app

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问题 In my UWP app, on click of AppBarButton application crashes Click Event: private void recordBtn_Click(object sender, RoutedEventArgs e) { BtnAcquire.Visibility = Visibility.Collapsed; BtnIncrement.Visibility = Visibility.Visible; BtnPause.Visibility = Visibility.Visible; BtnPrevious.IsEnabled = false; BtnNext.IsEnabled = false; _startRecording = true; _threshold = Convert.ToDouble(TxtThreshold.Text); _rootPage.NotifyUser( _startAcquisition ? "Record in progress" : "Record is paused",

Splitview with frame and navigating to another page, back button does not work

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问题 I've made simple hamburger menu and it works fine but after navigating to another page using "myFrame" back button does not work(app closes). If I navigate using this.Frame it works fine, back button works fine but splitview is not visable on second page. How to make my code so I have splitview on second page and that back button stil works? public MainPage() { this.InitializeComponent(); } private void btnHamburger_Click(object sender, RoutedEventArgs e) { myFrame.Navigate(typeof(SecondPage)

FreshPageModelResolver.ResolvePageModel() throws an exception in UWP Release

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问题 My app uses FreshMVVM. This code works for iOS and Android, and for UWP in Debug mode. But UWP release gives an exception here: private void SetupSimpleNav() { Page page = FreshPageModelResolver.ResolvePageModel<MenuPageModel>(); The message is: Resolve failed: MenuPage - Reason: Operation is not supported on this platform. 来源： https://stackoverflow.com/questions/58717470/freshpagemodelresolver-resolvepagemodel-throws-an-exception-in-uwp-release

How to upload an audio file with ID3 tags into an application using C# and visual studio

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问题 I am currently working on code to pull an mp3 file from a user's computer and upload it into a music library application that I am creating in visual studio UWP using C#. It needs to be able to pull the ID3 tags for artist, title, and album, as these will all have to be referenced on the actual library page, where the music will be sorted accordingly. The following code is what I have so far, and I am currently stuck on what else to write just to upload the file into the music library portion

Displaying pdf files from internet in Xamarin.Forms UWP

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问题 I have a Xamarin.Forms application supporting only UWP. I need to be able to load pdf files from the web and display the content in my application. I cannot find a solution that would work with UWP and handle pdf files that are not part of a project. 回答1: For your requirement, you could refer this code sample that custom a WebView and load pdf file with pdf.js host web application. [assembly: ExportRenderer(typeof(CustomWebView), typeof(CustomWebViewRenderer))] namespace DisplayPDF.WinPhone81

[UWP]占领标题栏

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1. 前言每一个有理想的UWP应用都会打标题栏的主意，尤其当微软提供将 Acrylic 扩展到标题栏这个功能后，大部分Windows 10的原生应用都不乖了，纷纷占领了标题栏的一亩三分地。这篇博客将介绍在UWP中如何自定义标题栏。 2.示例代码 UWP的限制很多，标题栏的自定义几乎全部内容集中在这篇文档里面。但只参考这篇文章做起来还不够顺手，我参考了微软开源的计算器应用中的 TitleBar 写了一个示例应用，可以在这里查看它的源码。我也把TitleBar实际应用到了我的 OnePomodoro 应用里面了。 3. 简单的颜色自定义如果只想简单地自定义标题栏的颜色可以通过 ApplicationViewTitleBar ，ApplicationViewTitleBar表示应用程序的标题栏，它提供了一些颜色属性用于控制标题栏的颜色，示例代码如下： // using Windows.UI.ViewManagement; var titleBar = ApplicationView.GetForCurrentView().TitleBar; // Set active window colors titleBar.ForegroundColor = Windows.UI.Colors.White; titleBar.BackgroundColor = Windows.UI