vb.net多线程编程，由于VB.NET使用公共语言运行时(Common Language Runtime)，它增强了很多新的特性，其中之一便是创建自由线程应用程序的能力。 -vb.net multi-threaded programming, VB.NET as a result of the use of common language runtime (Common Language Runtime), it enhances a lot of new features, one of w