public override void SetLength(long value)
{
if (value > int.MaxValue)
{
throw new IndexOutOfRangeException("CSharpStream溢出");
}
if (value < 0)
{
throw new IndexOutOfRangeException("CSharpStream下溢");
}
int newlen = (int)value;
int newwritelen = newlen - _bytestream.Length;
if (newwritelen > 0)
{
_bytestream.EnsureWritable(newwritelen);
_bytestream.SetWriterIndex(newlen);
}
}
public void SetWriterIndex(int index)
{
_stream.SetWriterIndex(index);
}
