一个类似于vc开发界面的效果。可以动态更换视图。可以显示树型控件，鹰眼，状态输出栏等效果,The development of an interface similar to the effects of vc. Dynamically replace the view. Can display a tree control, Eagle Eye, such as the effect of the state of the output column

经典的图形处理程序，改变树控件背景颜色的VC源代码。-The classic graphics program to change the background color of the tree control, VC source code.