vc6.0开发的绘图程序，支持画线，颜色选择，图像翻转、反色、黑白，还可选择线程数，支持多线程处理，可用来学习简单的图像处理。-vc6.0 development drawing program, support for drawing lines, colors, image flip, anti-color, black and white, can also choose the number of threads, support for multi-threaded processin