C#短信接收与发送的代码，请认真书写上传资料的详细功能、包含内容说明(至少要20个字)。尽量不要让站长把时间都花费在为您修正说明上。压缩包解压时不能有密码。-C# code to send and receive text messages, please carefully write a detailed upload features, including the content descr iption (at least 20 words). Try not to let owners