Get the device ID corresponding to a Universal Windows Platform Gamepad reference. This device ID can be used to add/remove motion output for that gamepad. 
- 注解
 
- The ID returned is unique to Wwise and does not correspond to any sensible value outside of Wwise. 
 
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This function is only available for project code using C++/CX. 
 
- 返回
 
- Unique device ID, or AK_INVALID_DEVICE_ID if the reference is no longer valid (such as if the gamepad was disconnected)