ProgressBar 用VC在程序的状态栏中实现进度条 -ProgressBar with VC in the process to achieve the status bar progress bar

进行了状态条显示进度条的编程，和弹出式进度条的编程，弹出式进度条是多线程编程。状态栏显示进度条为渐变颜色和带文字进度条两种类别。-Conducted a status bar displays the progress of the programming, and the pop-up progress bar of the program, pop-up progress bar is a multi-threaded progra