ASYNC_ATTR_CALLBACK_DATA
| Data Type: | pointer |
| Access: | read/write |
| Functions: | SetAsyncTimerAttribute GetAsyncTimerAttribute |
| Description: | A pointer-width value that is passed to the asynchronous timer callback function. The value can be a pointer to user data. |
| LabWindows/CVI Compatibility: |
LabWindows/CVI 5.0 and later |