VC++ 自制的宽带网络拨号程序，用户通过输入正确的宽带连接用户名和密码后，即可连接拨号，最下面是显示连接状态的，适时给出提示。要实现拨号程序的可参考。-After the VC++ homemade broadband network dialers, users connect the username and password by entering the correct broadband, dial-up to connect, and the bottom shows the co