| Overload | Description | 
|---|---|
| Create<TValue>(DAItemGroupArguments) | Creates a new item change observable for OPC item given by OpcLabs.EasyOpc.DataAccess.OperationModel.DAItemGroupArguments object. | 
| Create<TValue>(IEnumerable<DAItemGroupArguments>) | Creates a new item change observable for multiple OPC items given by OpcLabs.EasyOpc.DataAccess.OperationModel.DAItemGroupArguments objects. | 
| Create<TValue>(ServerDescriptor,DAItemDescriptor,DAGroupParameters,Object) | Creates a new item change observable for OPC item given by OPC server and item descriptors, and OPC group parameters object. | 
| Create<TValue>(String,String,String,Int32) | Creates a new item change observable for OPC item, specifying machine name, server class, item ID, requested update rate, and percent deadband. | 
| Create<TValue>(String,String,String,Int32,Single) | Creates a new item change observable for OPC item, specifying machine name, server class, item ID, requested update rate, and percent deadband. |