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User interface metrics, available in the LabVIEW Professional Development System, appear in the VI Metrics window when you place a checkmark in the User Interface checkbox. The following metrics specify the VI user interface:

• Controls—Number of top-level front panel controls. A cluster or an array is counted as a single control.
• Indicators—Number of top-level front panel indicators. A cluster or an array is counted as a single indicator.
• Property reads—Number of property reads by a block diagram. If you read multiple properties with the same Property Node, each property increments this number.
• Property writes—Number of property writes by a block diagram. If you write multiple properties with the same Property Node, each property increments this number.