Mouse double-click in a control or indicator can be detected within an event case structure.
- Right-click on the block diagram and select Programming»Structures»Event Structure and place it on the block diagram.
- Right-click on the border of the Event Structure and select Add Event Case....
- Select the control to detect the double-click as source event and Mouse Up or Mouse Down as event.
- For detecting mouse double-click's, select the corresponding event data node: Mods»Double Click.
For help on events and Event Data Nodes available for controls and indicators, see the LabVIEW Help: Control Events.