Use OPC Windows HMI.NET to create standard WinForm applications to run locally and remotely to the OPC Systems Service.
View the following video for a quick introduction to WinForm HMI applications.
View the following video for a detailed presentation on OPC Windows HMI.NET (formally OPC Controls.NET).
Other resources for WinForm HMI applications.
View the Networking video for syntax on how to enable remote communications.
To deploy your application as a Smart Client view the following video.
To have your application automatically adapt itself based on the data source view the following video.