PB中调用WINAPI crypt32的示例，包含PB10\PB8-PB call WINAPI crypt32 example, contains PB10 \ PB8

我自己写的或收集的一些很有用的例子，主要包括RC2算法的加密解密类，TCP通讯，邮件客户端，email客户商，常用的winapi接口等-I have written or collected some very useful examples, including encryption and decryption algorithm like RC2, TCP communication, e-mail client, email client business, common winapi