说明：  c++实现的鼠标图像。The CursorShape class provides you with an easy way to control the cursor shapes in multiple windows of your program and insure that the original shape(s) are restored thanks to destructors.
(c achieve the mouse images. The CursorShape class provides you with an easy way to control the cursor shapes in multiple win dows of your program and insure that the origina l shape (s) are restored thanks to destructors.)