Array of the history data of a chart. Wire an empty array to this property to clear the chart history.

Note Before you create the History Data property, you must wire a reference to the intensity chart to the Property Node. Right-click the intensity chart and select Create»Reference to create a reference.

This property is similar to the Clear Graph and Clear Chart items on the shortcut menu of a chart.

Remarks

The following table lists the characteristics of this property.

Short Name History
Data type Dynamic
Permissions Read/Write
Available in Run-Time Engine Yes
Available in Real-Time Operating System Yes
Settable when the VI is running Yes
Loads the front panel into memory No
Need to authenticate before use No
Loads the block diagram into memory No
Remote access allowed Yes

Examples

Refer to the following example files included with LabVIEW.

  • labview\examples\Controls and Indicators\Graphs and Charts\Waveform Graphs and Charts\Clearing Waveform Charts.vi