图象中间的窗口可以有小变大,中间的红心逐渐出现,并流下变化的痕迹-The middle of the image window can have a little bigger, in the middle of the red heart gradually appear, and traces of change

在这个程序中,给出了怎样自绘位图的一种方法,这个源代码是vc开发大全书中的例子(In this program, this paper gives a method of how to custom painting bitmap, this source code is example of vc development big encyclopedia)