Using Lua Sockets with Helm

Helm installs the LuaSocket library for TCP/IP communications.  You can follow the examples and reference there to connect to TCP and UDP devices. Helm scripts run as part of the main Windows “event loop”, so while a script is running the user interface...

Showing Message dialogs and prompts in Helm panels

With Helm 4.7.1, you can now show simple dialog boxes and alerts in Helm panels. You can use these with Lua scripting from PC-based Helm panels (but not WebPanels yet…) The script functions are available using the RootPanel object, and are as follows...

Scripting for Helm Web Panels

While the process of building web panels with Helm Designer is almost identical to that for ‘native’ Helm Panels, the language used for scripting has changed. Native (PC-based) panels can use the ‘classic’ Helm script language, or Lua. When...

Lua Scripts in Helm 4.4

Helm 4.4 introduces some new concepts and capabilities for Lua script support. All existing Lua scripts should work unchanged but use of these new powerful features will require Helm 4.4 or later. This post gives an overview of the new features but does not list the...