Smooth Scrolling Helpers

Use Smooth Scrolling Helpers to smooth scroll in ListViewBase(GridView, ListView).

1. SmoothScrollIntoView Helper
2. SmoothScrollNavigation Helper
3. GetScrollViewer Helper

SmoothScrollIntoView Helper

Use SmoothScrollIntoView Helper to scroll the item into the view with animation. Specify the ItemPosition property to align the item.

Syntax

C#

// Scrolling with index
await MyGridView.SmoothScrollIntoViewWithIndex(index: int, itemPlacement: ItemPlacement, disableAnimation: bool, scrollIfVisibile: bool, additionalHorizontalOffset: int, additionalVerticalOffset: int);

// Scrolling with item
await MyGridView.SmoothScrollIntoViewWithItem(item: object, itemPlacement: ItemPlacement, disableAnimation: bool, scrollIfVisibile: bool, additionalHorizontalOffset: int, additionalVerticalOffset: int);

Sample Output

Methods

Methods	Return Type	Description
SmoothScrollIntoViewWithIndex(int, ItemPlacement, bool, bool, int, int)	Task	SmoothScrollIntoView With index number
SmoothScrollIntoViewWithItem(object, ItemPlacement, bool, bool, int, int)	Task	SmoothScrollIntoView With item object

Method params

Properties	Type	Description
intex	int	Intex of the item to be scrolled
item	int	Intex of the item to be scrolled
itemPosition	Enum	Specify the position of the Item after scrolling
disableAnimation	bool	To disable the scrolling animation
scrollIfVisibile	bool	Set true to scroll even if the scroll to item is visible so that the item will be aligned depend upon itemPosition
additionalHorizontalOffset	bool	Give addition horizontal offset
additionalVerticalOffset	bool	Give addition vertical offset

ItemPosition

ItemPosition	Description
Default	If visible then it will not scroll, if not then item will be aligned to the nearest edge
Left	Aligned left
Top	Aligned top
Centre	Aligned centre
Right	Aligned right
Bottom	Aligned bottom

SmoothScrollNavigation Helper

Use SmoothScrollNavigation Helper to scroll the ListViewBase with buttons

Syntax

listViewBase.SmoothScrollNavigation(100, ScrollNavigationDirection.Left, false);

Sample Output

Properties

Properties	Type	Description
ScrollAmount	int	Amount to be scrolled
ScrollNavigationDirection	Enum	Direction of the scrolling
DisableAnimation	bool	To disable the scrolling animation

ScrollNavigationDirection

ScrollNavigationDirection	Description
Left	Scroll left
Up	Scroll top
Right	Scroll right
Down	Scroll bottom

GetScrollViewer Helper

Use GetScrollViewer Helper to get the ScrollViewer inside the ListViewBase

Syntax

var scrollViewer = listViewBase.GetScrollViewer();

Spcial thanks to

@JustinXinLiu - StackOverflow Answer