Now, look at the similar code that USES a command button, instead (Listing 2).
现在，再看看使用命令按钮的类似代码，更换为(列表2)。
The main code creates the GUI with a button and progress bar.
主要代码创建带有一个按钮和进度条的GUI。
No code is needed for a button of this type.
此类按钮不需要代码。
You also want to supply a Cancel button with code as follows.
您还要提供一个Cancel按钮，其代码如下。
The code defines a form that contains one input and a submit button.
这段代码定义了包含输入和提交按钮的表单。
Listing 2 is some code for the onclick event of a button.
清单2是按钮的onclick事件的部分代码。
Returns a key or mouse button name from it's code.
从代码中返回一个键名或鼠标按钮名。
Why the OK button is not getting displayed in a pop-up in following code?
为什么OK按钮没有显示在弹出下面的代码?。
Why the OK button is not getting displayed in a pop-up in following code?
为什么OK按钮没有显示在弹出下面的代码?。
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