public override string ToString()
{
int l = 32;
if (_length < l) l = _length;
string sAsc = "", s = "";
for (int i=0; i < l; ++i)
{
s += _data[i].ToString("X2") + " ";
if (_data[i] >= 0x20 && _data[i] < 127)
{
sAsc += (char)_data[i];
}
else
{
sAsc += ".";
}
}
if (_length > 32)
{
sAsc += "...";
s += "...";
}
return /*"[" + sAsc + "] " +*/ s;
}