windows-phone-8.1

问题 I have Visual Studio 2015 RC. When I open a console app or a Windows Phone 8 Silverlight project, everything works fine, I can use Nuget without problems. When I open a Universal App project (Windows 8.1 + Windows Phone 8.1), Nuget breaks. When I open the Nuget console, I see When I try to install a Nuget package using the Nuget GUI, I get the same error. One more strange thing. When I open VS2015 RC without any projects and open the Nuget console, I do not get the error. Then when I open my

问题 im trying to ebug my universal app from VS 2013 update 2 in my WP8.1 device but i have this error: Failed to deploy. Make sure another deployment or debugging session is not in progress for the same emulator or device from a different instance of Visual Studio: Error writing file '%FOLDERID_SharedData%\PhoneTools\11.0\Debugger\bin\RemoteDebugger\msvsmon.exe'. Error 0x80070005: Access Denied. I tried run as administrator and got the same error. Im using VS 2013 Update 1+2, Windows Phone 8.1 on

问题 Update [16-Jul-2014]: The question is technically incorrect. Read the answer to get more details. I was trying to capture text before reaching to my text box. and I discovered the following facts: KeyDown , KeyUp event will tell you what virtualKey was pressed not the character !! CoreWindow.CharacterReceived will capture the character but this event is not specific to TextBox and it will tell you the character after it reached to the textBox. Now my question is: Can any one tell me how can I

问题 I am trying to format my string to have commas every 3 places, and a decimal if it is not a whole number. I have checked roughly 20 examples, and this is the closest I have come: <TextBlock x:Name="countTextBlock" Text="{Binding Count, StringFormat={0:n}}" /> But I get a The property 'StringFormat' was not found in type 'Binding'. error. Any ideas what is wrong here? Windows Phone 8.1 appears to differ from WPF, because all of the WPF resources say that this is how it is done. (The string is

问题 I'm trying to make the ScrollBar for the ScrollViewer to be always visible so it doesn't only appear when I try to scroll the text view and so the user knows that there is someting more to see. At first, for some reason, I thought that I just have to change the color which needed brush overriding, but in reality, the ScrollBar is fading in and fading out, so either the ScrollViewer's or ScrollBar's template needs to be changed. I found the ScrollViewer's template which I have just placed in

问题 I have a problem when my code execute this using: using (ZipFile archive = ZipFile.Read(File)) //<== Crash Here! { foreach (ZipEntry entry in archive.Entries) { entry.Extract(UnZipFolder.Name.ToString(), ExtractExistingFileAction.OverwriteSilently); } } Crash when ZipFile try to read my File that it's a string and contains, sincrofit.zip then crash and throw this exception: 'System.ArgumentException' Additional information: 'IBM437' is not a supported encoding name. 回答1: In Visual Studio:

问题 I am trying to upload files using similar approach HttpClient: How to upload multiple files at once in windows phone. using (var content = new MultipartFormDataContent()) { content.Add(CreateFileContent(imageStream, "image.jpg", "image/jpeg")); content.Add(CreateFileContent(signatureStream, "image.jpg.sig", "application/octet-stream")); var response = await httpClient.PostAsync(_profileImageUploadUri, content); response.EnsureSuccessStatusCode(); } private StreamContent CreateFileContent

问题 When i trying to register a background task in windows phone 8.1 insted of this sample http://code.msdn.microsoft.com/windowsapps/Tile-Update-every-minute-68dbbbff i got this error : Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)) i use this code : Dim taskBuilder As New BackgroundTaskBuilder() taskBuilder.Name = taskName taskBuilder.TaskEntryPoint = taskEntryPoint taskBuilder.SetTrigger(New SystemTrigger(SystemTriggerType.UserPresent, False)) taskBuilder

问题 In WP7 and WP8 I just needed to clear the backstack in a page, then press Back button and the app is closed. In WP8.1 I do Frame.BackStack.Clear(), press Back and the app just minimizes.. How to kill it with Back button? 回答1: You can add, in your main page definition: Windows.Phone.UI.Input.HardwareButtons.BackPressed += HardwareButtons_BackPressed; Then private void HardwareButtons_BackPressed(object sender, Windows.Phone.UI.Input.BackPressedEventArgs e) { if (!e.Handled && Frame

问题 I got this error in my WP8.1 app, Application_UnhandledException ERROR: Native images generated against multiple versions of assembly System.Net.Http.Primitives. at CoolEditor.Class.DropNetRt.DropNetClient.LoadClient() at CoolEditor.Class.DropNetRt.DropNetClient..ctor(String apiKey, String appSecret) at CoolEditor.MainPage.d__6e.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.AsyncMethodBuilderCore.b__3(Object state)