Select steps in the Step Editor

You can use any of the usual selection techniques in the Step Editor, with the following variations.

Select individual steps

Hold Shift, then click the steps in a lane.

Select several contiguous steps

Hold Shift, then drag to select the steps in a lane.
Take care to avoid clicking any steps. If you click or drag with the unmodified Pointer tool, the selected event values are changed, so make sure you hold down Shift.

Select all steps on a lane

Click the lane name.

Select all steps on multiple lanes

Shift-click the lane names.