C#中的try catch finally（链接）

下面这篇微软的官方文档，详细讲述了C#中如何使用try catch finally来处理异常：

Exception-handling statements - throw, try-catch, try-finally, and try-catch-finally

其中这个地方有说到，不管是在try代码块中发生了异常，还是在catch代码块中发生了异常，finally代码块的代码都会执行：

When an exception is handled by a catch block, the finally block is executed after execution of that catch block (even if another exception occurs during execution of the catch block).

The try-catch-finally statement