动态拾取鼠标指针所指的屏幕颜色,并在编辑框中显示RGB和YUV值.对做数字图像处理,色彩分割很有帮助.,err

当鼠标指针落在椭圆的外接矩形内时，每按一下鼠标左键，椭圆改变颜色-When the mouse pointer falls within the ellipse of the enclosing rectangle, each click the left mouse button, change the color of elliptical

运行程序，保持鼠标指针不动，计算机屏幕将进入屏幕保护界面，移动鼠标，即可取消屏幕保护。-Run the program, keep the mouse pointer does not move, the computer screen will enter the screen saver screen, move the mouse, you can cancel the screen saver.