VB6 对于多线程应用程序来说并不是一个真正好的环境.没有开箱即用的支持，您需要深入研究标准的 WinAPI 功能.看看这篇文章，它提供了相当全面的示例:

VB6 is not a really good environment for multi-threaded applications. There is no out-of-the-box support, you need to delve into standard WinAPI functions. Take a look at this article, which provides quite a comprehensive sample:

http://www.freevbcode.com/ShowCode.Asp?ID=1287