how to configure RadScheduleView to display the preview position of a dragged appointment at a specified time interval?

[Denny]

In a Telerik WPF project, how to configure RadScheduleView to display the preview position of a dragged appointment at a specified time interval (e.g., 20 minutes)?

[Stenly]

I am not sure that I fully understand this requirement. Would it be possible to share a bit more information about it? For example, images that show the expected behavior.