cancel button

基本解释

This way, the parsing runs in a different thread while the dialog is shown with a cancel button.
这样，解析是在单独的线程中运行的，对话框中还显示了一个取消按钮。
I presume it's not only acceptable, but also required to have a cancel button for things like downloading files?
我觉得这不仅是可以接受的，也很必要为比如下载文件的过程加入取消按钮。
In Application Developer, the progress dialog for the Visualize command has a Cancel button (Figure 2), which can be used to abort the command.
在应用软件开发过程中，可视化命令执行过程的对话框里有一个取消按钮 (图2所示), 这是用来中止这一命令的。