VB获取指定区域的图像，窗体放大效果了。窗口中间的显示区就是用来显示获取到的图像的，你的鼠标可以在屏幕上任意移动，这个区域会显示鼠标移动区域中的图像，并放大显示，其实根据这个代码你可以做出一个放大镜效果。-VB gets the specified image area, the form of the amplification effect. Window in the middle of the display area is used to display the acquired image, you can move the mouse on the screen, move the mouse in the image area This area will display and enlarged display, in fact, according to this code you can make a magnifying glass effect.