| Overload | Description |
|---|---|
| ReadItemValueDouble(IEasyDAClient,ServerDescriptor,DANodeDescriptor) | Reads a value of named OPC item, and converts it to System.Double. The value is requested from the OPC server using a corresponding data type. |
| ReadItemValueDouble(IEasyDAClient,ServerDescriptor,DANodeDescriptor,DAReadParameters) | Reads a value of named OPC item, and converts it to System.Double. The value is requested from the OPC server using a corresponding data type. |
| ReadItemValueDouble(IEasyDAClient,String,String,String) | Reads a value of named OPC item, and converts it to System.Double. The value is requested from the OPC server using a corresponding data type. |
| ReadItemValueDouble(IEasyDAClient,String,String,String,Int32) | Reads a value of named OPC item, and converts it to System.Double. The value is requested from the OPC server using a corresponding data type. |