Master.DataGraphicHidden Property (Visio)
Hides or displays a data graphic in the Data Graphics task pane in the Microsoft Visio user interface. Read/write.
This Visio object or member is available only to licensed users of Visio Professional 2013.
Set the DataGraphicHidden property to True (-1) to hide a data graphic. Set the property to False (0) to display the data graphic. The default is to display the data graphic (False).
A data graphic is a Master object of type visTypeDataGraphic. Before you can set any property of a data graphic master, you must use the Master.Open method to open a copy of the data graphic master for editing. When you are finished setting properties, use the Master.Close method to commit changes.