通过选择工具箱项目的对话框手工添加控件。

Have users manually add the controls via the Choose Toolbox Items dialog?

youdao

现在我们已经完成了布局，接下来要做的是向其中添加控件。

Now that we have the layout setup all we need to-do is add controls to it.

youdao

设计图面是一个可视区域，您可以在此添加控件以创建用户界面。

The design surface is a visual area where you add controls to create a user interface.

youdao