让Delphi应用程序“唯一”运行

To make Delphi application program run only once

介绍在 Ｄｅｌｐｈｉ编程中怎样利用两种Ｗｉｎｄｏｗｓ ＡＰＩ函数实现应用程序“唯一”运行，禁止应用程序的多次加载运行。

The contents this article mainly introduces are as follow: In the course of Delphi programming, how to make application program run only once and forbid it be loaded and run for more times by using two kinds of Windows API function.