mfc基础编程，实现滑动条与滚动条的应用。对初学者很有帮助-mfc-based programming, slider and scroll bar applications. Very helpful for beginners

slider控件使用的简单测试用例，如果使用MFC中的slider-test for slider

mfc 功能：画刷画笔改变圆的轮廓和颜色 滑动条实现位置移动 钻石分割效果 左键画图 右键清楚 上面有动态当前时间变化 -mfc function: Brush brush change circle contour and color slider position to achieve Diamond segmentation Left Right drawing clear dynamic current time above

MFC扩展类CSlider,实现颜色渐变的效果(MFC CSlider Realize the effect of color gradient)