FileStream.EndRead Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Waits for the pending asynchronous read to complete.
Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
<SecuritySafeCriticalAttribute> _
Public Overrides Function EndRead ( _
asyncResult As IAsyncResult _
) As Integer
[SecuritySafeCriticalAttribute]
public override int EndRead(
IAsyncResult asyncResult
)
Parameters
- asyncResult
Type: System.IAsyncResult
The reference to the pending asynchronous request to wait for.
Return Value
Type: System.Int32
The number of bytes read from the stream, between 0 and the number of bytes you requested. Streams only return 0 at the end of the stream, otherwise, they should block until at least 1 byte is available.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | asyncResult is nulla null reference (Nothing in Visual Basic). |
| ArgumentException | This IAsyncResult object was not created by calling BeginRead on this class. |
| InvalidOperationException | EndRead is called multiple times. |
| IOException | The stream is closed or an internal error has occurred. |
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.