windows-8.1-universal | 易学教程

How to get store certificate for Win phone 8.1 app?

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问题 i have a question about certificate for windows phone 8.1 Universal app. I passed these steps but certificate wasn't appeare in project: I open it in Visual Studio 2015. Right click project and choose Store=>Associate app with store I log in my microsoft developer account and choose app from the list I checke information about Publisher, Package and so on and press next After these steps Package.StoreAssociation.xml is created, but AppName_StoreKey.pfx isn't. Please, help me. What should I do

How to get store certificate for Win phone 8.1 app?

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Run multiple await at the same time

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问题 I have a code that looks something like this: firstList = await GetFirstListFilesAsync(); textBlock1.Text = "found " + firstList.Count + " first list's results"; secondList = await GetSecondListFilesAsync(); textBlock2.Text = "found " + secondList.Count + " second list's results"; thirdList = await GetThirdListFilesAsync(); textBlock3.Text = "found " + thirdList.Count + " third list's results" So now it gets first list, sets first TextBlock text, then it gets second list, sets second

font size scaling in Windows Store Universal App (W8.1 + WP8.1)

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问题 How do i scale text in Windows Store Universal App (W8.1 + WP8.1)? Basically, the app should look the same regardless which device/resolution is used. The current situation is that layout (dynamic grid based layout) and images scale well except of the text (font size). The text displayed looks nice for WVGA resolution (480 × 800) but is incredible small for 1080p resolution. I already read a lot of stuff like Guidelines for scaling to pixel density or Guidelines for supporting multiple screen

Problem Using user32.dll in C# (Error 1008 An attempt was made to reference a token that does not exist.)

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问题 Hello legendary coders. Flowing by my previous question I tried to use user32.dll in windows universal application (UWP) in C# language but I encountered an error while trying to use the method I imported from that .dll here is my code: [DllImport("user32.dll")] public static extern bool LockWorkStation(); private async void btnLock_Click(object sender, RoutedEventArgs e) { string path; if (Images.TryGetValue(selectedRadioButton.Name, out path)) { StorageFile file = await StorageFile

Complicated background work in UWP, is it real?

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问题 Usually I work with Android but now I need to make background application/library/service in UWP. So, I need three background tasks/jobs/services: Every 15 minutes send POST request to the server Every 1 minute check some data Run via push notification a long-running tcp/ip connection which can run about 1 hour (how long can it run?) I am confused, is it possible for UWP? 回答1: The short answer,it is not complicated. Every 15 minutes send POST request to the server Background tasks can run as

Run multiple await at the same time

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I have a code that looks something like this: firstList = await GetFirstListFilesAsync(); textBlock1.Text = "found " + firstList.Count + " first list's results"; secondList = await GetSecondListFilesAsync(); textBlock2.Text = "found " + secondList.Count + " second list's results"; thirdList = await GetThirdListFilesAsync(); textBlock3.Text = "found " + thirdList.Count + " third list's results" So now it gets first list, sets first TextBlock text, then it gets second list, sets second TextBlock text and then gets third list and sets third TextBlock text. But I would like that all await

Unexpected Error: -2147483638 while deploying windows8.1 application to me device

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问题 I'm currently working on Windows8.1 Phone Application Development. Application runs fine on the emulator but when i try to deploy it on my Lumia 535, It gives this strange error message (Snapshot). "Debug using ARM" is selected and my device is connected and unlocked. HyperV is enabled too thanks in advance :) 回答1: Try the following.. Disconnect USB press 'Window key' + R type 'services.msc' press 'ok' In the list find service Windows Phone IP over USB Transport (IpOverUsbSvc) . Right click

font size scaling in Windows Store Universal App (W8.1 + WP8.1)

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How do i scale text in Windows Store Universal App (W8.1 + WP8.1)? Basically, the app should look the same regardless which device/resolution is used. The current situation is that layout (dynamic grid based layout) and images scale well except of the text (font size). The text displayed looks nice for WVGA resolution (480 × 800) but is incredible small for 1080p resolution. I already read a lot of stuff like Guidelines for scaling to pixel density or Guidelines for supporting multiple screen sizes But i still don't know how to scale text to stay readable regardless of display resolution/DPI.