很好的MFC滑块基类，美化界面最快！看demo就会用的 CoolSliderDlg类是程序的入口点，用时在自己工程中导入ui文件夹中的BitItem、BitSlider、BitWnd三个类 -MFC base class for a good slider and beautify the fastest interface! View demo will be used CoolSliderDlg class is the entry point, with time on their pro