Indicates the requested freshness of the data in number of milliseconds. The data should be no older than this value. If omitted or if the value is 0 at all levels of the hierarchy then the server should return the most accurate data available (which is analogous to a ??DEVICE? read in the COM server ?? reference the corresponding section of the OPC DA Specification to get further clarification on this concept.).
Syntax
| Visual Basic (Usage) |  Copy Code |
|---|
Dim instance As ReadRequestItem
Dim value As Integer
instance.MaxAge = value
value = instance.MaxAge |
Requirements
Target Platforms:Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family
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See Also
