internal string ConvertToString(string format, IFormatProvider provider)
{
char numericListSeparator = TokenizerHelper.GetNumericListSeparator(provider);
return string.Format(provider, "{1:" + format + "}{0}{2:" + format + "}{0}{3:" + format + "}", new object[] { numericListSeparator, this.X, this.Y, this.Z });
}