public static VLong Parse(string data, bool isHex)
{
//int segSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(uint)) * 2;
System.Globalization.NumberStyles style = isHex ?
System.Globalization.NumberStyles.AllowHexSpecifier :
System.Globalization.NumberStyles.None;
int pos = 0;
VLong ret = new VLong();
while (pos < data.Length)
{
ret *= 0x100;
uint piece = uint.Parse(
data.Substring(pos, 2),
style);
ret.Add(piece);
pos += 2;
}
return(ret);
}
public static VLong operator -(VLong left, VLong right)
{
VLong result = null;
if (left.negative != right.negative)
{
result = new VLong(left);
result.Add(right);
}
else if (left.Compare(right) >= 0)
{
result = new VLong(left);
result.Subtract(right);
}
else
{
result = new VLong(right);
result.Subtract(left);
result.negative = 1 - result.negative;
}
return(result);
}