本文整理汇总了C#中System.IO.IsolatedStorage.IsolatedStorageFileStream.Read方法的典型用法代码示例。如果您正苦于以下问题：C# IsolatedStorageFileStream.Read方法的具体用法？C# IsolatedStorageFileStream.Read怎么用？C# IsolatedStorageFileStream.Read使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.IsolatedStorage.IsolatedStorageFileStream的用法示例。
在下文中一共展示了IsolatedStorageFileStream.Read方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Convert
public override object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
_values = values;
if (values.Any(w => w == null || string.IsNullOrEmpty(w.ToString())))
return null;
byte[] imageBytes;
var path = string.Concat("/Shared/ShellContent/", string.Format("{0}.jpg", string.Join("_", values)));
using (var iso = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication())
{
if (!iso.FileExists(path))
return null;
using (IsolatedStorageFileStream fileStream = new IsolatedStorageFileStream(path, FileMode.Open, FileAccess.Read, iso))
{
imageBytes = new byte[fileStream.Length];
fileStream.Read(imageBytes, 0, imageBytes.Length);
}
}
using (var memoryStream = new MemoryStream(imageBytes))
{
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.SetSource(memoryStream);
return bitmapImage;
}
}示例2: MainPage_Loaded
void MainPage_Loaded(object sender, RoutedEventArgs e)
{
List<Run> runList = new List<Run>();
string time, dist;
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream("SavedSessions.txt", FileMode.Open, IsolatedStorageFile.GetUserStoreForApplication()))
{
if (!stream.CanRead) return;
long length = stream.Length;
byte[] decoded = new byte[length];
stream.Read(decoded, 0, (int)length);
string str = "";
for (int i = 0; i < decoded.Length; i++)
str += (char)decoded[i];
string[] val = Regex.Split(str, " ");
time = val[0] + ":" + val[1] + ":" + val[2] + val[3];
dist = val[4];
runList.Add(new Run(time, dist));
}
TransactionList.ItemsSource = runList;
}示例3: SendSongOverSocket
//send song data over the socket
//this uses an app specific socket protocol: send title, artist, then song data
public async Task<bool> SendSongOverSocket(StreamSocket socket, string fileName, string songTitle, string songFileSize)
{
try
{
// Create DataWriter for writing to peer.
_dataWriter = new DataWriter(socket.OutputStream);
//send song title
await SendStringOverSocket(songTitle);
//send song file size
await SendStringOverSocket(songFileSize);
// read song from Isolated Storage and send it
using (var fileStream = new IsolatedStorageFileStream(fileName, FileMode.Open, FileAccess.Read, IsolatedStorageFile.GetUserStoreForApplication()))
{
byte[] buffer = new byte[1024];
int bytesRead;
int readCount = 0;
_length = fileStream.Length;
//Initialize the User Interface elements
InitializeUI(fileName);
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
readCount += bytesRead;
//UpdateUI
UpdateProgressBar(readCount);
//size of the packet
_dataWriter.WriteInt32(bytesRead);
//packet data sent
_dataWriter.WriteBytes(buffer);
try
{
await _dataWriter.StoreAsync();
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}
return true;
}
catch
{
return false;
}
}示例4: ReadBytesFromIsolatedStorage
/// <summary>
/// Reads all byte content from an isolated storage file.
/// </summary>
/// <param name="path">Path to the file.</param>
/// <returns>The bytes read from the file.</returns>
public static byte[] ReadBytesFromIsolatedStorage(string path)
{
// Access the file in the application's isolated storage.
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream readstream = new IsolatedStorageFileStream(path, FileMode.Open, FileAccess.Read, file))
{
byte[] valueArray = new byte[readstream.Length];
readstream.Read(valueArray, 0, valueArray.Length);
return valueArray;
}
}
}示例5: GetSubscriptionCertificate
public static byte[] GetSubscriptionCertificate(string subscriptionId)
{
IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();
byte[] certificateBytes = null;
// Go into the isolated storage and retrieve the certificate.
//
using (var isoFileStream = new IsolatedStorageFileStream(subscriptionId + "\\management.cer", FileMode.Open, myStore))
{
certificateBytes = new byte[isoFileStream.Length];
isoFileStream.Read(certificateBytes, 0, (int)isoFileStream.Length);
}
return certificateBytes;
}示例6: ReadFile
public static string ReadFile(string filename)
{
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
try
{
IsolatedStorageFileStream filestream = new IsolatedStorageFileStream(filename, System.IO.FileMode.Open, isf);
byte[] buffer = new byte[filestream.Length];
filestream.Read(buffer,0,buffer.Length);
string data = Encoding.UTF8.GetString(buffer, 0, buffer.Length);
return data;
}
catch (System.IO.FileNotFoundException)
{
return string.Empty;
}
}
}示例7: GetRecordByteArray
public static byte[] GetRecordByteArray(string name)
{
IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication();
MemoryStream stream = new MemoryStream();
using (IsolatedStorageFileStream fStream = new IsolatedStorageFileStream("Music/" + name,
FileMode.Open, file))
{
byte[] readBuffer = new byte[4096];
int bytesRead = 0;
while ((bytesRead = fStream.Read(readBuffer, 0, readBuffer.Length)) > 0)
{
stream.Write(readBuffer, 0, bytesRead);
}
}
return stream.ToArray();
}示例8: get
/// <summary>
/// 获取上传进度记录
/// </summary>
/// <param name="key">记录文件名</param>
/// <returns>上传进度数据</returns>
public byte[] get(string key)
{
byte[] data = null;
string filePath = Path.Combine(this.dir, StringUtils.urlSafeBase64Encode(key));
try
{
using (IsolatedStorageFileStream stream =
new IsolatedStorageFileStream(filePath, FileMode.Open, this.storage))
{
data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
}
}
catch (Exception)
{
}
return data;
}示例9: Load
public void Load()
{
XmlSerializer serializer = new XmlSerializer(typeof(Configrations));
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream fs = new IsolatedStorageFileStream("a.txt", FileMode.Open, isf))
{
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
using (MemoryStream ms = new MemoryStream(buffer))
{
Configrations config = serializer.Deserialize(ms) as Configrations;
if (null != config)
{
Clone(this, config);
}
}
}
}
}示例10: OnNavigatedTo
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (NavigationContext.QueryString.TryGetValue("imageUri", out imageFileName))
{
FilenameText.Text = imageFileName;
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(imageFileName, System.IO.FileMode.Open, IsolatedStorageFile.GetUserStoreForApplication()))
{
// Allocate an array large enough for the entire file
byte[] data = new byte[stream.Length];
// Read the entire file and then close it
stream.Read(data, 0, data.Length);
stream.Close();
ExtendedImage image = new ExtendedImage();
image.LoadingCompleted +=
(o, ea) => Dispatcher.BeginInvoke(() => { AnimatedImage.Source = image; });
image.SetSource(new MemoryStream(data));
}
}
}示例11: Retrieve
public byte[] Retrieve(string key)
{
var mutex = new Mutex(false, key);
try
{
mutex.WaitOne();
if (!File.FileExists(key))
{
throw new Exception(string.Format("No entry found for key {0}.", key));
}
using (var stream = new IsolatedStorageFileStream(key, FileMode.Open, FileAccess.Read, File))
{
var data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
return ProtectedData.Unprotect(data, this.optionalEntropy);
}
}
finally
{
mutex.ReleaseMutex();
}
}示例12: GetMainPageString
private static string GetMainPageString(string elementName)
{
using (IsolatedStorageFile iso = IsolatedStorageFile.GetUserStoreForApplication()) {
using (var file = new IsolatedStorageFileStream("mainpage.xml", FileMode.Open, iso)) {
var bb = new byte[file.Length];
file.Read(bb, 0, bb.Length);
using (var oStream = new MemoryStream(bb)) {
XDocument xDoc = XDocument.Load(oStream);
try {
return xDoc.Element("items").Element(elementName).Value;
}
catch (NullReferenceException) {
return string.Empty;
}
}
}
}
}示例13: RegressionBNC354539
public void RegressionBNC354539 ()
{
string filename = "test-bnc-354539";
byte[] expected = new byte[] { 0x01, 0x42, 0x00 };
byte[] actual = new byte [expected.Length];
using (IsolatedStorageFile file = IsolatedStorageFile.GetStore (IsolatedStorageScope.User | IsolatedStorageScope.Assembly, null, null)) {
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream (filename, FileMode.Create, FileAccess.Write, FileShare.None, file)) {
stream.Write (expected, 0, expected.Length);
}
}
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForAssembly ()) {
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream (filename, FileMode.Open, FileAccess.Read, FileShare.Read, file)) {
stream.Read (actual, 0, actual.Length);
}
file.DeleteFile (filename);
}
Assert.AreEqual (expected, actual);
}示例14: uploadCallback
/// <summary>
/// Read file from Isolated Storage and sends it to server
/// </summary>
/// <param name="asynchronousResult"></param>
private void uploadCallback(IAsyncResult asynchronousResult)
{
DownloadRequestState reqState = (DownloadRequestState)asynchronousResult.AsyncState;
HttpWebRequest webRequest = reqState.request;
string callbackId = reqState.options.CallbackId;
try
{
using (Stream requestStream = (webRequest.EndGetRequestStream(asynchronousResult)))
{
string lineStart = "--";
string lineEnd = Environment.NewLine;
byte[] boundaryBytes = System.Text.Encoding.UTF8.GetBytes(lineStart + Boundary + lineEnd);
string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"" + lineEnd + lineEnd + "{1}" + lineEnd;
if (!string.IsNullOrEmpty(reqState.options.Params))
{
Dictionary<string, string> paramMap = parseHeaders(reqState.options.Params);
foreach (string key in paramMap.Keys)
{
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
string formItem = string.Format(formdataTemplate, key, paramMap[key]);
byte[] formItemBytes = System.Text.Encoding.UTF8.GetBytes(formItem);
requestStream.Write(formItemBytes, 0, formItemBytes.Length);
}
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
}
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isoFile.FileExists(reqState.options.FilePath))
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, new FileTransferError(FileNotFoundError, reqState.options.Server, reqState.options.FilePath, 0)));
return;
}
byte[] endRequest = System.Text.Encoding.UTF8.GetBytes(lineEnd + lineStart + Boundary + lineStart + lineEnd);
long totalBytesToSend = 0;
using (FileStream fileStream = new IsolatedStorageFileStream(reqState.options.FilePath, FileMode.Open, isoFile))
{
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"" + lineEnd + "Content-Type: {2}" + lineEnd + lineEnd;
string header = string.Format(headerTemplate, reqState.options.FileKey, reqState.options.FileName, reqState.options.MimeType);
byte[] headerBytes = System.Text.Encoding.UTF8.GetBytes(header);
byte[] buffer = new byte[4096];
int bytesRead = 0;
//sent bytes needs to be reseted before new upload
bytesSent = 0;
totalBytesToSend = fileStream.Length;
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
requestStream.Write(headerBytes, 0, headerBytes.Length);
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
if (!reqState.isCancelled)
{
requestStream.Write(buffer, 0, bytesRead);
bytesSent += bytesRead;
DispatchFileTransferProgress(bytesSent, totalBytesToSend, callbackId);
System.Threading.Thread.Sleep(1);
}
else
{
throw new Exception("UploadCancelledException");
}
}
}
requestStream.Write(endRequest, 0, endRequest.Length);
}
}
// webRequest
webRequest.BeginGetResponse(ReadCallback, reqState);
}
catch (Exception /*ex*/)
{
if (!reqState.isCancelled)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, new FileTransferError(ConnectionError)), callbackId);
}
}
}示例15: RestoreFromIsolatedStorage
/// <summary>
/// Restore the user settings from isolated storage.
/// </summary>
/// <param name="Type">The type of the settings object.</param>
/// <param name="Section">The section in which the settings are stored.</param>
/// <returns>A populated settings object.</returns>
private static UserSettingsBase RestoreFromIsolatedStorage(Type Type, string Section)
{
XmlSerializer formatter = new XmlSerializer(Type);
IsolatedStorageFileStream settingsFile;
try
{
settingsFile = new IsolatedStorageFileStream(Section + ".Config", FileMode.Open, IsolatedStorageFile.GetUserStoreForDomain());
}
catch (Exception ex)
{
throw (new UserSettingsException("User settings not found in isolated storage", ex));
}
try
{
byte[] buffer = new byte[Convert.ToInt32(settingsFile.Length) - 1 + 1];
settingsFile.Read(buffer, 0, Convert.ToInt32(settingsFile.Length));
MemoryStream stream = new MemoryStream(buffer);
return ((UserSettingsBase) formatter.Deserialize(stream));
}
catch (Exception ex)
{
throw (new UserSettingsException("User settings could not be loaded from isolated storage", ex));
}
finally
{
settingsFile.Close();
}
}