关于多列排序问题

帮助文档中没有找到按多列排序，好像只能一列，谁知道sortrange是否能用于多列排序，具体怎么用？我是新手多多指点阿！

2. FarPoint.Win.Spread.SortInfo[] sort = new FarPoint.Win.Spread.SortInfo[1];
3. sort[0] = new FarPoint.Win.Spread.SortInfo(0, true, System.Collections.Comparer.Default);
4. fpSpread1.ActiveSheet.SetValue(0, 0, "C");
5. fpSpread1.ActiveSheet.SetValue(1, 0, "A");
6. fpSpread1.ActiveSheet.SetValue(2, 0, "E");
7. fpSpread1.ActiveSheet.SetValue(3, 0, "B");
8. fpSpread1.ActiveSheet.SetValue(0, 1, "3");
9. fpSpread1.ActiveSheet.SetValue(1, 1, "5");
10. fpSpread1.ActiveSheet.SetValue(2, 1, "1");
11. fpSpread1.ActiveSheet.SetValue(3, 1, "2");
12. fpSpread1.ActiveSheet.SortRange(0, 0, 4, 2, true, sort);

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