I am displaying waveforms with a SmoothLine Series and the charts X and Y axis uses custom tick values.

The axes can be set to a fixed range or an auto range per user settings.

To keep the grid looking the way I want I need to know, preferably via an event, when an axis range changes so I can set the custom ticks to look right.

Is there any event that is generated when an axis range changes or one that I can discern that an axis range has changed?

I have tried ValidationChanged, Paint and several others to no avail.

Any help would be appreciated.

TIA,
Lou