The PointTag object contains the following method:
If any one of the following tag formats is in the PointTag object, the IsValid() method returns true; otherwise, it returns false:
Note: The requested tag component is returned even if the tag type is invalid. IsValid does not verify that the point actually exists.
IsValid() As Boolean
Example
Site.Service.PointId:LongPointId:Facility.UDC is validated by the following sample script:
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Sub PointTagSample Dim PointTag, strValid Set PointTag = CreateObject("CxScript.PointTag")
PointTag.Site = "Site" PointTag.Service = "Service" PointTag.PointId = "PointID" PointTag.LongPointId = "LongPointID" PointTag.Facility = "Facility" PointTag.Udc = "UDC"
If PointTag.IsValid() Then strValid = "Valid" Else strValid = "Invalid" End If
msgBox "Tag " & PointTag.Tag & " is " & strValid End Sub |
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