关于Process Control控件的操作。包括范围控制，是否显示完成百分比，开始颜色，结束颜色，背景颜色，文本颜色的选择。,About Process Control control operation. Including the range control to show that the percentage of completion, start color, end color, background color, text color choice.

在状态栏中添加进度条 CProgressCtrl-Add a progress bar in the status bar