CryptoStream.Read Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Reads a sequence of bytes from the current CryptoStream and advances the position within the stream by the number of bytes read.
Namespace: System.Security.Cryptography
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
Public Overrides Function Read ( _
<OutAttribute> buffer As Byte(), _
offset As Integer, _
count As Integer _
) As Integer
public override int Read(
byte[] buffer,
int offset,
int count
)
Parameters
- buffer
Type: array<System.Byte[]
An array of bytes. A maximum of count bytes are read from the current stream and stored in buffer.
- offset
Type: System.Int32
The byte offset in buffer at which to begin storing the data read from the current stream.
- count
Type: System.Int32
The maximum number of bytes to be read from the current stream.
Return Value
Type: System.Int32
The total number of bytes read into the buffer. This can be less than the number of bytes requested if that many bytes are not currently available, or zero if the end of the stream has been reached.
Exceptions
| Exception | Condition |
|---|---|
| NotSupportedException | The CryptoStreamMode associated with the current CryptoStream object does not match the underlying stream. For example, this exception is thrown when using Read with an underlying stream that is write-only. |
| ArgumentOutOfRangeException | The offset parameter is less than zero. -or- The count parameter is less than zero. |
| ArgumentException | The sum of the count and offset parameters is longer than the length of the buffer. |
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: 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.
See Also