isolatedstorage

问题 I need to create a file in the downloads folder for a UWA on Windows 10 and copy the content of an existing file into it. I use the following code: StorageFile cleanFile = await Windows.Storage.DownloadsFolder.CreateFileAsync(cleanFileName); await file.CopyAndReplaceAsync(cleanFile); This works ok, but the folder the file is stored is this: C:\Users\MyUser\Downloads\e15e6523-22b7-4188-9ccf-8a93789aa8ef_t8q2xprhyg9dt!App\WordComment-clean.docx I assume this is some type of Isolated Storage.

问题 My application is something similar to a Contact Manager. Let's say a user can enter contacts with their addresses. I have the code and technology to save my contacts to a file. But where do I save that file? Considering this is a .NET application running on Windows. Should my file end up in the AppData of the users folder? Should I use the Isolated Storage (as mentioned here)? Something else? What's the recommended practice? 回答1: I ended up using the solution Patrick suggested: Environment

问题 I am working on windows phone application in which i need to store a captured image from the camera in isolated storage without saving it in the camera roll. I am able to store the captured image in the isolated storage but a copy of the captured image in also stored in the camera roll. Is there any way i can keep the image within the isolated storage rather than the camera roll. Thanks 回答1: If you want to save to ONLY isolated storage, you cannot use the CameraCaptureTask . In WP8, it will

问题 I have a problem when serializing a Dictionary<string,Person> to IsolatedStorageSettings. I'm doing the following: public Dictionary<string, Person> Names = new Dictionary<string, Person>(); if (!IsolatedStorageSettings.ApplicationSettings.Contains("Names")) { //Add to dictionary Names.Add("key", new Person(false, new System.Device.Location.GeoCoordinate(0, 0), new List<GeoCoordinate>() { new GeoCoordinate(35.8974, 14.5099), new GeoCoordinate(35.8974, 14.5099), new GeoCoordinate(35.8973, 14

问题 I am looking at writing a silverlight app that I plan to use OOB setting to enable use on both PC and mac. I have been doing a little investagation on the isolationstoragefile and what I understand is it will work for both pc and mac without a problem.....Is that correct? The application I am building is going to be a business application that will submit details back to the main database if there is an available connection. If not then I want to store the information locally until there is

问题 I am looking at writing a silverlight app that I plan to use OOB setting to enable use on both PC and mac. I have been doing a little investagation on the isolationstoragefile and what I understand is it will work for both pc and mac without a problem.....Is that correct? The application I am building is going to be a business application that will submit details back to the main database if there is an available connection. If not then I want to store the information locally until there is

问题 I have a GeoCoordinate list that I want to save to storage when the application is closed, but I'm not sure how to save it to storage. I tried saving the list using a helper class found here problem Storing a list of Objects in Isolated Storage but I think my syntax may be wrong in saving it as I'm new to using lists.This is how I tried to save the list. Can anyone point me in the right direction with saving the lit? mycoord = Isolated_Storage_Helper.IsoStoreHelper .SaveList<mycoord>("Storage

问题 When appending a file using IsolatedStorage API and adding a \n at the end of the string the file is empty and if adding it in the beginning of the string it erases the file then adds the requested data only IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication(); string fileContents = "\n"+str+ " " + txtblock1.Text; byte[] data = Encoding.UTF8.GetBytes(fileContents); using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream("Th.txt", FileMode.Append, file))

问题 Inside my app, I am trying to download about 180 small audio files all at once. I tried the BackgroundTransferService, but it does not seem stable with so many small files. So, now I am downloading a ZIP of all those audio and want extract them in "audio" folder. I tried the method in this thread: How to unzip files in Windows Phone 8 But I get this error: 'System.IO.IOException' occurred in mscorlib.ni.dll... in the following code. How can I overcome this issue? while (reader.ReadInt32() !=

问题 I'm trying to get a boolean value I saved using isolatedStoragesettings like this: IsolatedStorageSettings.ApplicationSettings.TryGetValue(KEYSTRING, out myBoolValue); but I get this exception only when I debug Operation not permitted on IsolatedStorageFileStream. when I use (run without debug) Ctrl+F5 it works just fine. any idea whats wrong here? 回答1: It appears that this exception can be the result of accessing IsolatedStorageSettings.ApplicationSettings from multiple threads (which would