The following example shows how to set the lifetime token handle in a host-side adapter.
下面的示例演示如何在宿主端适配器中设置生存期标记句柄。
If your pipeline passes custom types, you must acquire the token handle in all contract-to-view adapter classes that you implement.
如果管线传递自定义类型，则您必须在您实现的所有“协定到视图”适配器类中获得标记句柄。
Once you acquire the token handle, the system takes care of all lifetime management functions and requires no additional programming.
在获得标记句柄后，该系统处理所有生存期管理功能并且不需要进行额外编程。
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