private void Import(byte[] io)
{
CheckReadOnly();
if (Blob?.Any() != true)
{
return;
}
if (io != null)
{
for (int i = 0, ix = 0, len = Blob.Length; ix < len; ix++)
{
if (i >= io.Length)
{
Blob[ix] = 0;
}
else if (i + sizeof(ulong) < io.Length)
{
Blob[ix] = IOEx.GetUInt64(io, ref i, false);
}
else
{
byte[] b = new byte[sizeof(ulong)];
Array.Copy(io, i, b, 0, io.Length - i);
int ii = 0;
Blob[ix] = IOEx.GetUInt64(b, ref ii, false);
i = io.Length;
}
}
}
else
{
Blob.Fill(0UL);
}
}
public static ulong?GetULong(object val, bool parse)
{
if (val == null)
{
return(null);
}
try {
TypeCode tc = val.GetTypeCode();
switch (tc)
{
case TypeCode.String:
if (!parse)
{
return(null);
}
ulong n;
if (!TryFromServer(Convert.ToString(val), out n, 0))
{
return(null);
}
return(n);
case TypeCode.Int64: return(unchecked ((ulong)(long)val));
default:
if (IsNumeric(tc))
{
return(Convert.ToUInt64(val));
}
byte[] b = val as byte[];
int ix = 0;
if (b?.Length == sizeof(ulong))
{
return(IOEx.GetUInt64(b, ref ix));
}
return(null);
}
} catch { return(null); }
}