Item Open
- Updated2026-02-04
- 1 minute(s) read
Generated when the user expands an item in the tree control to display any child items under the item.
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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| CtlRef | Reference to the control on which the event occurred. |
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| Tag | Unique tag of the item on which the event occurred. |