To accomplish this, create a class named ListBase and add a binding relationship from ListBase to List, and then bind the parameter t to X, as shown in Figure 5.

为了完成该项，创建一个名为ListBase的类型并添加一个从ListBase到List的binding关系，并将参数t与x相绑定，如图表5所示。

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To implement the weak event pattern, you typically create a manager class with a 1:1 relationship to the event.

若要实现弱事件模式，通常需要按照与该事件1：1的关系创建一个管理器类。

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To implement the weak event pattern, you typically create a manager class with a 1:1 relationship to the event.

若要实现弱事件模式，通常需要按照与该事件1：1的关系创建一个管理器类。

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