VC小程序，绘制渐变色图形，在窗体的空白处绘制渐变色图形，通过参阅源代码你将了解到它的实现原理，并熟悉如何设置两点间的颜色，如何改变颜色域值，渐变交接处的长短等。本程序对于VC新手来说是相当有用的。-VC applets, drawing the gradient color graphics, draw a gradient color graphics in the space of the form, see the source code, you will learn about the realization of the principle, and are familiar with how to set the color between two points, how to change the value of the color field gradientthe length of the junction. This procedure is useful for VC novice.