Short Name: Navigate Tree.Get Previous
Requires: Base Development System
Class: TreeControl Methods
To Use: Create a method.
Returns the tag of the item immediately before and at the same hierarchical level as the one you provide as an input. If no items exist before the item at the same level in the hierarchy, this method returns an empty string.
| Data type | Name | Required | Description |
|---|---|---|---|
| tag | No | Unique tag of the item below the item whose tag you want to obtain. The default is an empty string. If you wire an empty string to tag, this method returns an empty string. If you wire an invalid tag, this method returns an error. |
The following table lists the characteristics of this method.
| Data type |  |
| Available in Run-Time Engine | Yes (Read/Write) |
| 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 |