Cell controls OnChange event not triggered

We use the TADVStringGrid.CellControls property to set TTrackBar (slider) controls in cells. Though the OnChange event of the TTrackBar controls is set, it is not triggered on changing the slider. What are we doing wrong?

This cannot be reproduced.
Test project


Your demo uses a TAdvTrackBar, not the TTrackBar component. Which TMS package does TAdvTrackBar belong to? If I replace TAdvTrackBar by TTrackBar, it doesn't work.

We could reproduce this with TTrackBar and we've applied a fix. The next update will address this.