VI Activation
- Updated2026-02-04
- 1 minute(s) read
Generated when you activate a VI window.
Event Data Fields
| Name | Description | ||
|---|---|---|---|
| Source | Source of the event. LabVIEW UI refers to any built-in user interface event.
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| Type | Type of event that occurred, such as Mouse Down, Value Change, Timeout, and so on. |
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| Time | Value of the millisecond timer when the event occurred. |
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| AppRef | Reference to the application on which this event occurred. |
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| VIName | Name of the VI whose window was activated. |
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| VIWindow | Number that corresponds to the VI window that was activated. A value of "0" refers to the front panel, and a value of "1" refers to the block diagram. |
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| VIAppRef | Application reference of the activated VI. Since the event might occur in a different application instance than the one in which the VI is open, use this application reference when opening a VI reference with the VI name. |