Also note that the selection service defines a PrimarySelection property.
另请注意,选择服务定义了primaryselection属性。
The selection service tracks component selections on the designer surface.
选择服务会跟踪设计器表面上的组件选择。
To that new window, it adds a selection listener to its selection service.
对该新窗口,它向其选择服务添加选择侦听程序。
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