本程序引入一个新的类XStatusBar，用于显示文本、数字、位图或者状态条。而且，这些窗格可以交替显示这些内容，以及支持鼠标点击行为-This program introduces a new class XStatusBar, used to display text, numbers, bitmap or status bar. Moreover, these can alternately display the contents pane, and support mouse clic

状态栏显示当前时间、BMP位图、显示进度条、为对话框窗口创建状态栏-Status bar displays the current time, BMP bitmaps, show the progress bar, status bar for the dialog window to create