cancel button

基本解释

This way, the parsing runs in a different thread while the dialog is shown with a cancel button.
這樣，解析是在單獨的線程中運行的，對話框中還顯示了一個取消按鈕。
I presume it's not only acceptable, but also required to have a cancel button for things like downloading files?
我覺得這不僅是可以接受的，也很必要爲比如下載文件的過程加入取消按鈕。
In Application Developer, the progress dialog for the Visualize command has a Cancel button (Figure 2), which can be used to abort the command.
在應用軟件開發過程中，可眡化命令執行過程的對話框裡有一個取消按鈕 (圖2所示), 這是用來中止這一命令的。