vb 语言处理图像速度很慢，因为采用的是系统的读取函数逐个象元来读取。本程序可以快速的读取多种格式的图像文件，并能快速的绘制。方法是文件操作方法，而非系统函数。-vb language processing images is very slow, because systems are used to read function to read each pixel. This procedure can quickly read the image files in multiple for