C#程序实现改变鼠标的指针样式，将鼠标指针由Windows默认的白色变成带渐变的蓝色，看上去漂亮极了，不过，程序并不能恢复已更改的鼠标样式，可能程序有Bug，欢迎修正-C# program to change the mouse pointer style, move the mouse pointer from the Windows default with a gradient white to blue, looks fantastic, but the program will not