progctrl.cpp控件使用

本类显示一个逐渐填充进度的控件，从功能上其与一般进度控件相同。主要改进是，你可以定制颜色，并切换百分比的可见性。-This class displays a progress gradually fill the controls from the general progress of the function with the same controls. Main improvement is that you can customize the color, and switch the