/// <summary>
/// 添加字符串到XStrings末尾。注意+=操作比Add方法效率稍低
/// </summary>
public static XStrings operator +(XStrings xstrs, string strNew)
{
XStrings xstrResult = new XStrings();
xstrResult += xstrs;
xstrResult.Add(strNew);
return(xstrResult);
}
public XStrings SubStrings(int iStart, int length)
{
XStrings xStrs = new XStrings();
for (int i = 0; i < length; i++)
{
xStrs.Add(this[iStart + i]);
}
return(xStrs);
}