用C#编写的拓扑排序算法程序（数据结构） 本程序用到了fr a mework 2.0 里新增的泛型， 代码简洁，且容易理解。-With C# Prepared procedures for topological sorting algorithm (data structure) of the procedures used in the fr a mework 2.0 in the new generic, code simplicity, and easy to understan