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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:

  • Set and Execution message to be displayed to the operator
  • Set progress bar percentage and text
  • Display an image to the operator


Table of Contents

OI Control Items

Each OI control item is set by sending a TestStand User Interface Message (PostUIMessageEx method)


  1. Drag the EFT OI Interface StepType into your sequence 
  2. Click "Configure Interface" on the step settings tab
  3. Select the message to send from the dropdown box
  4. Enter the information for the selected message type.
    1. Note, most messages can be set using TestStand expressions to provide maximum flexibility
    2. Most messages will also display a preview of the item in the EFT Manufacturing OI

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