一款VC++窗体选项卡，带有动画切换效果，可以关闭掉动画切换，可以设定切换速度，风格采用的是系统的灰色窗体风格，主要是研究一下TAB的编写要点。-VC++ form a tab, and switch with animation effects, animation can be closed off switch, you can set the switching speed, style is the system used in the form of Gray style, is p