WPF-PopupWindow

定点基2-FFT及执行时间测试代码。可以手工输入数据，也可以从文件读入。 文档中含有测试说明和代码。(sentinel-2-FFT execution time and test code. Can manually input data, but also from the file into. Documents containing descriptions and test code.)

说明：  C#照片裁剪，用于图形图像处理的系统中。(about C# the photo with cut for images.)

QQ登录器VC源码，很好很强大的源码(QQ login VC-source browser, a good strong source)

16X16显示，比8X8显示大一点，可显示任何汉字，8X8显示不行。16的就完全可以。(16X16 display han zi.)

WPF动画演示，实现冰雪效果。在桌面上会出现一个透明窗体，窗体内使用动画技术显示下雪情景。(WPF animation demo, to achieve the effect of snow and ice.)

详尽阐述了如何在VC的IDE下进行调试，并且在后半部分，还说明了写VC代码的注意事项，以及避免出错的方法。(Elaborated on how the VC IDE for debugging, and in the second half, also explains the precautions write VC code, as well as ways to avoid making mistakes)

以前上传过matlab版本的类似程序，此为c版本的导纳矩阵形成程序，在潮流计算和仿真中应用广泛。(Some programs of matlab version had been uploaded before,this is a C-version program to lead admittance matrixes,which are widely used in tideway computation and simulation.)

说明：  用win32SDK实现的一个 最小化托盘的程序(Achieved with a minimum of win32SDK procedure tray)

在STM32单片机上实现长按4S按键进入待机模式，并且可以用RTC报警唤醒单片机(In the STM32 microcontroller to achieve long press 4S button to enter standby mode, and you can wake up with a single-chip RTC alarm)

一般的聊天程序都是使用socket方式通讯的。对于一个聊天程序来说一般是一个服务器用来中转消息，然后是多个客户端通过连接服务器来消息交换。(General chat programs are using the socket mode of communication. For a chat program, it is generally a server used to relay the message, then multiple clients to connect to the server through the exchange of messages.)