VS2008 基于单文档添加工具条按扭，测试已经通过，可以直接运行,让我们一起努力！-VS2008 add documents based on a single toolbar button, the test has been passed, can be directly run, let us work together!

VS2008 单文档串口通讯程序，添加工具条按扭和接收框，测试已经通过，可以直接运行,让我们一起努力！-VS2008 single document serial communication program, add the toolbar button and the receiver box, the test has been passed, can be directly run, let us work together!