Suppose a .NET client sends out an array with a null element as shown in the code in Listing 9.
假设 .NET 客户端发出含有空元素的数组，代码如 清单 9 所示。
2
The net effect of replacing an element is the creation of a new element with a different content that is still referenced by all the same delivery processes and capability patterns.
置换一个元素的结果是创建出一个具有不同内容的新元素，但它仍然被所有相同的交付过程和功能模式所引用。
3
To demonstrate the usage of tracing, Figure 1 shows a simple flow that takes an input message, extracts the elements, Net and Tax, and calculates the element, Gross.