static void Main(string[] args)
{
// Solution1.AutomateWord 阐述了通过Microsoft Word主要的互用组件（PIA）
// 自动化Word应用程序, 并且将每个COM访问对象分配给一个新的变量, 使用户
// 最终可以通过调用Marshal.FinalReleaseComObject方法释放这些变量的过程.
Solution1.AutomateWord();
Console.WriteLine();
// Solution2.AutomateWord阐述了通过Microsoft Word主要的互用组件（PIA）
// 自动化Word应用程序, 在自动化方法退出堆栈后执行垃圾收集器（此时RCW
// 对象不再被引用）,从而清除RCW并释放COM对象的过程.
Solution2.AutomateWord();
}
static void Main(string[] args)
{
// Solution1.AutomateWord demonstrates automating Microsoft Word
// application by using Microsoft Word PIA and explicitly
// assigning each COM accessor object to a new varaible that you
// would explicitly call Marshal.FinalReleaseComObject to release
// it at the end.
Solution1.AutomateWord();
Console.WriteLine();
// Solution2.AutomateWord demonstrates automating Microsoft Word
// application by using Microsoft Word PIA and forcing a garbage
// collection as soon as the automation function is off the stack
// (at which point the RCW objects are no longer rooted) to clean
// up RCWs and release COM objects.
Solution2.AutomateWord();
}