BeginRead() public méthode

public BeginRead ( byte buffer, int offset, int numBytes, System userCallback, object stateObject ) : System.IAsyncResult
buffer byte
offset int
numBytes int
userCallback System
stateObject object
Résultat System.IAsyncResult
IsolatedStorageFileStream Class Documentation
Exemple #1
0
		public void AsyncEndRead_Disposed ()
		{
			IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication ();
			using (IsolatedStorageFileStream fs = new IsolatedStorageFileStream ("moon", FileMode.Create, isf)) {
				byte [] data = new byte [2];
				KeyValuePair<IsolatedStorageFile, IsolatedStorageFileStream> kvp = new KeyValuePair<IsolatedStorageFile, IsolatedStorageFileStream> (isf, fs);
				IAsyncResult result = fs.BeginRead (data, 0, 2, new AsyncCallback (EndReadDisposed), kvp);
				result.AsyncWaitHandle.WaitOne ();
			}
		}
Exemple #2
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		public void AsyncRead ()
		{
			IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication ();
			using (IsolatedStorageFileStream fs = new IsolatedStorageFileStream ("moon", FileMode.Create, isf)) {
				byte [] data = new byte [2];
				IAsyncResult result = fs.BeginRead (data, 0, 2, new AsyncCallback (EndRead), fs);
				result.AsyncWaitHandle.WaitOne ();

				isf.Remove (); // this removed everything
				Assert.Throws (delegate { fs.BeginRead (data, 0, 2, new AsyncCallback (EndRead), fs); }, typeof (IsolatedStorageException), "Remove/Write"); // Fails in Silverlight 3
				isf.Dispose ();
				Assert.Throws (delegate { fs.BeginRead (data, 0, 2, new AsyncCallback (EndRead), fs); }, typeof (ObjectDisposedException), "Dispose/Write");
			}
			isf = IsolatedStorageFile.GetUserStoreForApplication ();
			Assert.AreEqual (0, isf.GetFileNames ().Length, "Empty");
		}
Exemple #3
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		public void AsyncEndRead_Removed ()
		{
			IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication ();
			using (IsolatedStorageFileStream fs = new IsolatedStorageFileStream ("moon", FileMode.Create, isf)) {
				byte [] data = new byte [2];
				KeyValuePair<IsolatedStorageFile, IsolatedStorageFileStream> kvp = new KeyValuePair<IsolatedStorageFile, IsolatedStorageFileStream> (isf, fs);
				IAsyncResult result = fs.BeginRead (data, 0, 2, new AsyncCallback (EndReadRemoved), kvp);
				result.AsyncWaitHandle.WaitOne ();
			}
			isf = IsolatedStorageFile.GetUserStoreForApplication ();
			Assert.AreEqual (0, isf.GetFileNames ().Length, "Empty");
		}
Exemple #4
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		public void AsyncRead ()
		{
			IsolatedStorageFileStream isfs = new IsolatedStorageFileStream ("cas-AsyncRead", FileMode.Create);
			message = "AsyncRead";
			reset.Reset ();
			IAsyncResult r = isfs.BeginRead (new byte[0], 0, 0, new AsyncCallback (ReadCallback), isfs);
			Assert.IsNotNull (r, "IAsyncResult");
			if (!reset.WaitOne (timeout, true))
				Assert.Ignore ("Timeout");
			Assert.IsNull (message, message);
			isfs.Close ();
		}