StartQuery Method (StateSummaryQuery)
- Last UpdatedAug 21, 2026
- 1 minute read
Starts a state summary query by creating a new query context on the historian server using the provided arguments.
'Declaration
Public Function StartQuery( _
ByVal startArgs As StateSummaryQueryArgs, _
ByRef error As HistorianAccessError _
) As Boolean'Usage
Dim instance As StateSummaryQuery
Dim startArgs As StateSummaryQueryArgs
Dim error As HistorianAccessError
Dim value As Boolean
value = instance.StartQuery(startArgs, error)public bool StartQuery(
StateSummaryQueryArgs startArgs,
out HistorianAccessError error
)public:
bool StartQuery(
StateSummaryQueryArgs^ startArgs,
[Out] HistorianAccessError^ error
) Parameters
- startArgs
- Contains state summary query parameters.
- error
- Contains the error information in case of failure.
Return Value
Returns True if the query started successfully, or False otherwise.