本文以一个基于对话框的时钟程序为例，在VC6.0中调用*.png图片实现半透明渐变窗口，该程序实现了指针式和数字式两种时钟显示方式。-In this paper, a dialog-based clock program as an example, VC6.0 call*. png image to achieve gradient translucent window, the program implements two kinds of Analog and digital clock