ScrollInfo 
    class ScrollInfo(val gtkScrollInfoPointer: <Error class: unknown class><<Error class: unknown class>>)(source)
The GtkScrollInfo can be used to provide more accurate data on how a scroll operation should be performed.
Scrolling functions usually allow passing a null scroll info which will cause the default values to be used and just scroll the element into view.
Since
4.12
Constructors
Functions
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                  Checks if horizontal scrolling is enabled.
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                  Checks if vertical scrolling is enabled.
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                  Increases the reference count of a GtkScrollInfo by one.
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                  Turns horizontal scrolling on or off.
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                  Turns vertical scrolling on or off.