vc6.0 开发MFC聊天程序的详细步骤，每一步都有详细解释，按照步骤即可完成整个示例程序的开发，然后自己在加其他的功能-Vc6.0 MFC development chat program detailed steps, each step is explained in detail, according to the steps to complete the sample application development, and in other functions