some mice have a wheel in the middle. generally this wheel is for scrolling.
some mice have a wheel in the middle. generally this wheel is for scrolling.
some mice have a wheel in the middle. generally what is this wheel for?
scrolling
section::::usage.:scroll wheel.









































a scroll wheel on a conventional mouse may also be used. moving the wheel in a desired direction moves the content in the same direction. most mice contain scroll wheels that only scroll up and down, but some mice contain scroll wheels that allow the user to scroll in any direction (up, down, left or right), including diagonal directions. while scrolling up and down, the direction in which the page scrolls in response to the direction that the user scrolls the scroll wheel can differ depending on the computer's scrolling settings.









































section::::usage.:arrow keys.
scrollbar
bullet::::- types: alloy wheel, artillery wheel, bicycle wheel, cartwheel, caster, dreadnaught wheel, driving wheel, flywheel, hubless wheel, inline skate wheel, mansell wheel, mecanum wheel, motorcycle wheel, omni wheel, pedrail wheel, pressed steel wheel, skateboard wheel, square wheel, stairclimber wheel, steering wheel (ship's wheel), train wheel, tweel, wire wheels









































bullet::::- components: axle, tire, rim, snow chains, spoke, wagon wheel (transportation), wheelset (rail transport)









































bullet::::- inspired technologies and concepts: breaking wheel, color wheel, compact disc, ferris wheel, reinventing the wheel, spindle whorl, wagon-wheel effect, wheel of fortune, wheelbarrow, wheel and axle









































bullet::::- alternatives: magnetic levitation
wheel