这是使用VB开发的读取HEX文件并通过RS232接口与PIC16F877的通讯下载HEX文件到芯片内的程序 改程序需要与之前上传的PICBootLoader.rar配合使用。-This is developed using VB to read HEX file and through the RS232 communication interface with the PIC16F877 download HEX files to the chip ，it should be used w

利用http协议异步下载图片的c++类。类里面包含了一些其他的逻辑，但有良好的下载图片的函数。downloadPicExAsy。经测试，类下载图片安全稳定-The use of asynchronous http protocol to download pictures c++ classes. Class which contains some other logic, but there are a good function to download images. downloadPic

Portable Download Picture Program

下载指定网站图片，简单操作。运行平台Visual Studio 2013-Download the specified website images, simple operation. Operating platform Visual Studio 2013