VC6下继承自CStatic的CLabel类，增加了多个CStatic所不支持的功能，几经考验并完善了不合适的处理模式，目前已经较为完善-Under VC6 the CLabel inherited from CStatic class, increasing the number of CStatic does not support the function, after several test and improve the inappropriate processing mode,

本源码是实现滑块控件的功能，让初学者学会如何使用基本控件-This source code is the realization of the function of the slider control, for beginners to learn how to use the basic controls