Short Name: IsInstance
Requires: Base Development System
Class: VI Properties
To Use: Create a property.
Returns whether or not the VI is an Express VI instance.
The following table lists the characteristics of this property.
| Data type | |
| Permissions | Read/Write |
| Available in Run-Time Engine | No |
| Available in Real-Time Operating System | No |
| Settable when the VI is running | No |
| Loads the front panel into memory | No |
| Need to authenticate before use | No |
| Loads the block diagram into memory | No |
| Remote access allowed | Yes |
| Must wait until user interface is idle | No |
| Available with control VIs | No |
| Available with global VIs | Yes |
| Available with strict type definitions | No |
| Available with polymorphic VIs | No |