| Overload | Description | 
|---|---|
| GetPropertyValueInt64(IEasyDAClient,ServerDescriptor,DANodeDescriptor,DAPropertyDescriptor) | Gets a value of OPC property, using descriptor object for the OPC server, and an OPC Item ID, and converts it to System.Int64. | 
| GetPropertyValueInt64(IEasyDAClient,String,String,String,DAPropertyDescriptor) | Gets a value of OPC property, using individual parameters specifying the OPC server, and OPC Item ID, and converts it to System.Int64. |