The Range Control provides range visualization and selection functionality.
The following image shows the Range Control's visual elements.
The area in which the Range Control renders the data specified by the current range.
Displays values along the visible range.
Contains controls that allow you to scroll and zoom the visible range.
Two selection thumbs mark the selected range. Drag these thumbs to change the selection.
Viewport Scroll Thumb
Marks the visible range within the total range. It can be scrolled by dragging the Zoom&Scroll bar, and can be resized using the Zoom Grips to the left and right of this bar, to change the visible range.
Zoom Grips are parts of the Viewport Scroll Thumb. They allow you to change the visible range by zooming in and out.
Selection Scroll Thumb
Marks the selected range within the total range.
A unit interval. It is automatically adjusted based on the current zoom level.
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