Delphi显示状态栏检查框，进度条效果，程序正在运行时显示的进度指示，Windows中经常见到的效果，用Delphi是如何实现的呢，期待！-Delphi appears in the status bar check box, progress bar effect, display program is running the progress indicator, often see the Windows effect, Delphi is how to achieve it, look