GetTagExtendedPropertyInfo Method
- Last UpdatedAug 21, 2026
- 1 minute read
Retrieve Historian tag extended property collection from the established query context.
'Declaration
Public Function GetTagExtendedPropertyInfo( _
ByVal startIndex As UInteger, _
ByVal tagCount As UInteger, _
ByRef tagExtendedPropertyGroupList As TagExtendedPropertyGroupList, _
ByRef error As HistorianAccessError _
) As Boolean'Usage
Dim instance As TagQuery
Dim startIndex As UInteger
Dim tagCount As UInteger
Dim tagExtendedPropertyGroupList As TagExtendedPropertyGroupList
Dim error As HistorianAccessError
Dim value As Boolean
value = instance.GetTagExtendedPropertyInfo(startIndex, tagCount, tagExtendedPropertyGroupList, error)public bool GetTagExtendedPropertyInfo(
uint startIndex,
uint tagCount,
out TagExtendedPropertyGroupList tagExtendedPropertyGroupList,
out HistorianAccessError error
)public:
bool GetTagExtendedPropertyInfo(
uint startIndex,
uint tagCount,
[Out] TagExtendedPropertyGroupList^ tagExtendedPropertyGroupList,
[Out] HistorianAccessError^ error
) Parameters
- startIndex
- Contains the starting index of the Historian tag extended propreties to be retrieved.
- tagCount
- Contains the number of Historian tags extended propreties to be retrieved.
- tagExtendedPropertyGroupList
- Contains the collection of Historian tags extended propreties returned.
- error
- Contains the error information in case of failure.
Return Value
Returns True if Historian tag extended propreties is retrieved successfully, or False otherwise.