Public Shared Function ReadAllBytes( _
   ByVal io As Stream _
) As Byte()

public static byte[] ReadAllBytes( 
   Stream io
)

Stream stream;
using (StreamCache cache = new StreamCache(new SharedMemoryStream(), 1))
{
    using (stream = cache.Open())
    {
        stream.Write(new byte[100], 25, 55);
        stream.Close();
    }
    using (stream = cache.Open(FileAccess.Read))
    {
        Assert.AreEqual(new byte[55], IOStream.ReadAllBytes(stream));
    }
}

Dim stream As Stream
Using cache As New StreamCache(New SharedMemoryStream(), 1)
    Using stream = cache.Open()
        stream.Write(New Byte(100) {}, 25, 55)
        stream.Close()
    End Using
    Using stream = cache.Open(FileAccess.Read)
        Assert.AreEqual(New Byte(55) {}, IOStream.ReadAllBytes(stream))
    End Using
End Using