TreeControl class/Expand/Contract Symbol.Show Symbol at Root property

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VI Server Property Information
Property ID 756A3C48
Scope Basic Development Environment
Data Name Show at Indent Level 0
Short Name* Show Symbol at Root
Long Name* Expand/Contract Symbol:Show Symbol at Root
* Displayed here in English. Short and Long names appear in the language of the LabVIEW IDE.
Owning Class ID 66
Owning Class Name TreeControl Class
Data Type Boolean data type


Property Node Expand/Contract Symbol:Show Symbol at Root
Available in Real-Time Operating SystemYes
Available in Run-Time EngineYes
Loads the block diagram into memoryNo
Loads the front panel into memoryNo
Need to authenticate before useNo
Remote access allowedYes
Settable when the VI is runningYes

Shows or hides the expand/contract symbols for items at indent level 0. The indent level 0 items become flush with the left side of the tree control when you hide the expand/contract symbols.

If you hide the expand/contract symbols, you can still expand or collapse an item at indent level 0 by double-clicking the item.

To disable the double-clicking functionality, wire a True constant to the Discard? parameter of the Item Close? event.



Version Change(s)
LabVIEW 2018 More info to come.

See Also

External Links