基于VC++异步调用的简单源码例子，定义一个字符串，设计循环，格式化字符串，设计编辑框文本，异步调用的实现实例，VC源码下载。

-Based on a simple asynchronous call VC++ source code examples, define a string, the design cycle, the format string, the text edit box design, implementation examples asynchronous call, VC source code download.