'DeclarationProtected Overrides Function ReadValueAttribute( _ ByVal context As ISystemContext, _ ByVal indexRange As NumericRange, _ ByVal dataEncoding As QualifiedName, _ ByRef value As Object, _ ByRef sourceTimestamp As Date _ ) As ServiceResult
'UsageDim instance As BaseVariableState Dim context As ISystemContext Dim indexRange As NumericRange Dim dataEncoding As QualifiedName Dim value As Object Dim sourceTimestamp As Date Dim value As ServiceResult value = instance.ReadValueAttribute(context, indexRange, dataEncoding, value, sourceTimestamp)
protected override ServiceResult ReadValueAttribute( ISystemContext context, NumericRange indexRange, QualifiedName dataEncoding, ref object value, ref DateTime sourceTimestamp )
protected: ServiceResult^ ReadValueAttribute( ISystemContext^ context, NumericRange indexRange, QualifiedName^ dataEncoding, Object^% value, DateTime% sourceTimestamp ) override
Parameters
- context
- The context.
- indexRange
- The index range.
- dataEncoding
- The data encoding.
- value
- The value to be returned.
- sourceTimestamp
- The source timestamp.
Return Value
An instance of the ServiceResult containing the status code and diagnostic info for the operation. ServiceResult.Good if successful. Detailed error information otherwise.