The MVIOLed control is an ActiveX Control which displays an colored 'LED'. The color depends of the output of a MV I/O Renderer filter. The I/O input type of the a MV I/O Renderer must set to a boolean type.
This ActiveX Control is used in the Gauge Sample Application.
Interface: IMVIOLed
Events: -
File: MVIOControls.dll
How To Use
Look at this page to get more information.