Features window "remembers" the last TAB or property selected to help you maintain context while you are working.

“记住”选中的最后项或者属性的特性窗口，帮助您在工作时维持一定的背景。

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Call this member function to retrieve the help context identifier, if any, associated with the window.

调用这个函数以获得与窗口相关的帮助上下文标识符，如果有的话。

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Likewise, if an owned window does not have a help context identifier, it inherits the identifier of its owner window.

如果子窗口不具有帮助上下文标识符，则它继承它的父窗口的标识符。

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