Translation between C # Stream and byte[] _c# tutorial

/* - - - - - - - - - - - - - - - - - - - - - - - -
Conversion between * Stream and byte[]
* - - - - - - - - - - - - - - - - - - - - - - - */
<summary>
Turn the Stream into byte[]
</summary>
Public byte[] Streamtobytes (Stream stream)
{
byte[] bytes = new Byte[stream. Length];
Stream. Read (bytes, 0, bytes. Length);

Sets the current stream's position as the start of the stream
Stream. Seek (0, seekorigin.begin);
return bytes;
}

<summary>
Turn byte[] into a Stream
</summary>
Public Stream bytestostream (byte[] bytes)
{
Stream stream = new MemoryStream (bytes);
return stream;
}


/* - - - - - - - - - - - - - - - - - - - - - - - -
* Conversion between Stream and file
* - - - - - - - - - - - - - - - - - - - - - - - */
<summary>
Write Stream to File
</summary>
public void Streamtofile (Stream stream,string fileName)
{
Convert the Stream into byte[]
byte[] bytes = new Byte[stream. Length];
Stream. Read (bytes, 0, bytes. Length);
Sets the current stream's position as the start of the stream
Stream. Seek (0, seekorigin.begin);

Write byte[] to a file
FileStream fs = new FileStream (FileName, FileMode.Create);
BinaryWriter bw = new BinaryWriter (FS);
Bw. Write (bytes);
Bw. Close ();
Fs. Close ();
}

<summary>
Read Stream from File
</summary>
Public Stream Filetostream (string fileName)
{
Open File
FileStream FileStream = new FileStream (FileName, FileMode.Open, FileAccess.Read, FileShare.Read);
Read byte[of file]
byte[] bytes = new Byte[filestream.length];
FileStream.Read (bytes, 0, bytes. Length);
Filestream.close ();
Convert byte[] into Stream
Stream stream = new MemoryStream (bytes);
return stream;
}