CryptoStream.Read Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Reads a sequence of bytes from the current CryptoStream and advances the position within the stream by the number of bytes read.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- buffer
- Type:
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.Int32The 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.
| 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. |