设置一个鼠标程序，将窗口分为5块，分别用画刷填充为白、绿、蓝、黄、红。鼠标点在不同区域时鼠标的形状发生变化，且显示鼠标坐标.-Set a mouse program will be divided into five windows were filled with brush white, green, blue, yellow, red. Point the mouse to change the shape of the mouse in the different regions, an