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Range Control Visual Elements

The following image shows the Range Control's visual elements:

Range Control Visual Elements

Element Description
Viewport The area where the Range Control's Client draws the data that falls into the currently visible range.
Ruler Displays values along the visible range.
Zoom&Scroll Bar Contains controls that allow you to scroll and zoom the visible range.
Selection Thumb Two selection thumbs mark the selected range. You can drag them to change the selection.
Viewport Scroll Thumb Marks the visible range within the total range. It can be scrolled by dragging, and can be resized via the Zoom Grips to change the visible range.
Zoom Grip 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. It can be scrolled to move the selected range.
Range Item A unit interval. It is automatically adjusted based on the current zoom level.