We add the table and two menu buttons to the canvas container in the createChildren function (Listing 11), which overrides the same function in the base class.
我们在createchildren函数中将表和两个菜单按钮添加到画布容器中(清单11)，该函数将覆盖基类中的相同函数。
We add the table and two menu buttons to the canvas container in the createChildren function (Listing 11), which overrides the same function in the base class.
我们在createchildren函数中将表和两个菜单按钮添加到画布容器中(清单11)，该函数将覆盖基类中的相同函数。
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