Active Item:Symbol Index Property
Short Name: Symbol
Installed With: Full Development System
Class: TreeControl Properties
The index of the symbol for the active item(s).
You can use a listbox symbol ring constant to view the default item symbols. You can use the Custom Item Symbols methods to customize item symbols.
If the active item is the column headers, this property returns an error. If the active item is all rows and you read this property, the property returns an error.
Remarks
The following table lists the characteristics of this property.
| Available in Run-Time Engine and Real-Time Operating System | Yes |
| Permissions | Read/Write |
| 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 disallowed | No |
| Must wait until user interface is idle | No |
| Available with control VIs | No |
| Available with global VIs | No |
| Available with strict type definitions | No |
| Available with polymorphic VIs | No |