This feature is currently not implemented in RadScheduler for Winforms. I can suggest you to use the scroll to work hours feature at the moment. This will allow you to automatically scroll to the work time with a single method call.
You can take a look at the following code snippet which demonstrates how to call the ScrollToWorkHours method:
Dim dayView As SchedulerDayViewElement = TryCast(Me.radSchedulerDemo.SchedulerElement.ViewElement, SchedulerDayViewElement)
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I hope this helps.
the Telerik team