矢量图编辑器，可以绘制存储矢量图，使用C++Builder开发。-Vector graphics editor, you can draw the stored vector, using C++ Builder developers.

用VC++开发的对USB数据和下位机的通信，对学习和下层机通讯的作者，可以下载。底层由C++来实现-With the data of USB and serial communication of VC++ development, for learning and the lower machine communication author, you can download. The bottom layer is realized by C++

使用Qt5.5开发的简易画图程序，支持撤销和重做功能，使用双缓冲技术，可以导出成图片。 供交流学习，本人技术简陋，希望能够对大家Qt的学习有所帮助。 注意：打开软件后请点击“新建”或“打开”开始使用。-A program like windows paint writting with Qt5.5, I call it iPaint. You can draw some shapes and fill them a color. Using double buffer to draw QPix