'Declaration
Protected 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
'Usage
Dim 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.