The EFT Manufacturing OI has many hooks available from TestStand to provide operator feedback. This article describes the process for creating test steps that that allow test sequences to update the EFT Manufacturing OI:
Each OI control item is set by sending a TestStand User Interface Message (PostUIMessageEx method)
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The TED Test.seq shipping example provides a utility subsequence, called "__UI Interface Utilities__" which provides several examples for how to send the appropriate UI messages to the UI, using either ActiveX adapters or through expressions (which can be copied into pre- or post-expressions of other steps.
The EFT OI Interface StepType provides a more intuitive way to control the OI through TestStand.
To use the step type: