BrightSign Object Reference Manual (FW 5.1) - Manual (Page 295)

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The ifEnum interface provides the following:
• Reset(): Resets the position to the first element of enumeration.
• Next() As Dynamic: Returns the typed value at the current position and increment position.
• IsNext() As Boolean: Returns True if there is a next element.
• IsEmpty() As Boolean: Returns True if there is not a next element.