unauthorizedaccessexcepti

问题 Before you try to answer this with, "Do a quick Google search." I'd like to point out that I have already. Here is the situation, I have the following method that attempts to modify a registry key value. The problem I'm getting is that when executed, it throws an UnauthorizedAccessException even though I've opened the key as writeable . I'm running Visual Studio as administrator and even tried to make a small .exe with a manifest file forcing it to run as admin that will execute the code with

问题 I'm opening a file with for reading that I had previously created in the user's %TEMP% folder, using the following code: new FileStream(cacheFileName, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete); On some user's computers, this sometimes throws an UnauthorizedAccessException with the message "Access to path ... is denied". I haven't been able to reproduce this. My initial guess is that an anti-virus or indexing engine is doing something funky, but I also noticed this

问题 I'm opening a file with for reading that I had previously created in the user's %TEMP% folder, using the following code: new FileStream(cacheFileName, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete); On some user's computers, this sometimes throws an UnauthorizedAccessException with the message "Access to path ... is denied". I haven't been able to reproduce this. My initial guess is that an anti-virus or indexing engine is doing something funky, but I also noticed this

问题 Hello everyone I currently got subdirectories I wanted through this call: foreach (DirectoryInfo dir in parent) { try { subDirectories = dir.GetDirectories().Where(d => d.Exists == true).ToArray(); } catch(UnauthorizedAccessException e) { Console.WriteLine(e.Message); } foreach (DirectoryInfo subdir in subDirectories) { Console.WriteLine(subdir); var temp = new List<DirectoryInfo>(); temp = subdir.GetDirectories("*", SearchOption.AllDirectories).Where(d => reg.IsMatch(d.Name)).Where((d => !d

问题 I'm trying to list all folders and files in my User folder which is "Thomas", then I want to get all of the folders in those folders as well as files and so on. But whenever I run it, it throws this exception: System.UnauthorizedAccessException: Access to the path 'C:\Users\Thomas\AppData\Local\Application Data' is denied. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileSystemEnumerableIterator`1.AddSearchableDirsToStack(SearchData localSearchData) at

问题 We developed a WebPart to read the content of the file in the document library in the SiteCollection. I used the following code to read the content. WebClient wc = new WebClient(); wc.Credentials = CredentialCache.DefaultNetworkCredentials; string documenturl = siteurl+"/" + file.Url.ToString(); content = wc.DownloadData(documenturl);//documenturl is the file path of the document But, i got the following error 401 unathorized exception System.Net.WebException: The remote server returned an

问题 I have some troubles. It's about this subject => System.UnauthorizedAccessException : Access to the path “/storage/[Name]/[nameFolder]/[fileName].txt is denied. At System.IO.FileStream etc…. I know this subject is already here in SOF, but I can't find a solution for Xamarin.Android. It's the same for Xamarin.Uwp, no access right. I can't write a file in the root path (from the USB Flash Drive path) = /storage/[NameOfTheFlashDrive] It's the same if I use the Android path = content://com

问题 I want to use ProximityDevice in my application. If I declare it as field or in the constructor, like this: public partial class MainPage : PhoneApplicationPage { // Constructor public ProximityDevice device; public MainPage() { InitializeComponent(); device = ProximityDevice.GetDefault(); } } or this: public partial class MainPage : PhoneApplicationPage { // Constructor public MainPage() { InitializeComponent(); public ProximityDevice device = ProximityDevice.GetDefault(); } } I get A first

问题 I'm debugging a Unity game in Android, everything works in the Unity editor. I'm receiving an UnauthorizedAccessException when saving the current game data on Android. I am writing to the persistentDataPath so I don't understand why access is being blocked. Here is the console log using Logcat: <i>AndroidPlayer(motorola_Moto_G_(5)@192.168.0.26)</i> UnauthorizedAccessException: Access to the path "/current.sg" is denied. at System.IO.FileStream..ctor (System.String path, FileMode mode,

问题 The MSDN constructor for a FileStream says that it may throw either an UnauthorizedAccessException or a SecurityException. Here's what MSDN says about these exceptions. UnauthorizedAccessException: The exception that is thrown when the operating system denies access because of an I/O error or a specific type of security error. SecurityException: The exception that is thrown when a security error is detected. How are these two similar exceptions different? What situations will trigger either