PointTag Methods

The PointTag object contains the following method:

IsValid

IsValid

If any one of the following tag formats is in the PointTag object, the IsValid() method returns true; otherwise, it returns false:

Site.Service.PointId
Site.Service:LongPointId
Site.Service::FacilityId.UDC
Site.Service.PointId:LongPointId
Site.Service.PointId::FacilityId.UDC
Site.Service.PointId:LongPointId:FacilityId.UDC

Note: The requested tag component is returned even if the tag type is invalid. IsValid does not verify that the point actually exists.

Syntax

IsValid() As Boolean

Example

Site.Service.PointId:LongPointId:Facility.UDC is validated by the following sample script:

Copy

IsValid

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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