C#电子钱包是电子商务购物活动中常用的一种支付工具，一些常用功能，是学习C#的实例。-C# e-commerce shopping e-wallet is a commonly used payment instruments, some common features, is to learn C# examples.

用于控制M104型NFC读卡器的上位机程序源代码，WPF界面，具备有读写数据，验证密码，修改扇区内容，修改密码，钱包存取等功能-Used to control the M104 NFC card reader host computer source code, WPF interface, with read and write data, verify the password, modify the sector content, modify the password, wallet a