The scrollStep property (number) specifies the custom scroll step size (in pixels) when overrideWheelScrolling is enabled.
Since version 2018.2.3300, the Scheduler will use a non-null value to override the scroll step for the row header (even with overrideWheelScrolling set to false).
If not specified, eventHeight value is used.
null
dp.scrollStep = 30;
Event calendar/scheduling AJAX components. Available for JavaScript/HTML5/jQuery, ASP.NET, ASP.NET MVC. Build resource booking, project management, time tracking applications, personal and shared event calendars.