VirtualizingListBox Class

Namespace: GHIElectronics.TinyCLR.UI.Controls · Assembly: GHIElectronics.TinyCLR.UI

Large homogeneous lists: recycles a small pool of rows while preserving full scroll extent. Set ItemsSource to an IList (e.g. ArrayList); each item is shown via ToString().

public class VirtualizingListBox : Control, IDisposable

Constructors

VirtualizingListBox()

public VirtualizingListBox()

No description available.

Properties

ItemsSource

public IList ItemsSource { get; set; }

No description available.

ItemHeight

public int ItemHeight { get; set; }

Fixed row height in pixels (all rows use this for virtualization math).

SelectedIndex

public int SelectedIndex { get; set; }

The currently selected index. (inherited)

HorizontalOffset

public int HorizontalOffset { get; set; }

Horizontal offset of the scroll. (inherited)

VerticalOffset

public int VerticalOffset { get; set; }

Vertical offset of the scroll. (inherited)

Methods

MeasureOverride(int availableWidth, int availableHeight, out int desiredWidth, out int desiredHeight)

protected override void MeasureOverride(int availableWidth, int availableHeight, out int desiredWidth, out int desiredHeight)

Measurement override. Implement your size-to-content logic here. (inherited)

Parameter	Type	Description
availableWidth	int	Available size that parent can give to the child. May be MaxValue(when parent wants to measure to content). This is soft constraint. Child can return bigger size to indicate that it wants bigger space and hope that parent can throw in scrolling...
availableHeight	int
desiredWidth	out int
desiredHeight	out int

ArrangeOverride(int arrangeWidth, int arrangeHeight)

protected override void ArrangeOverride(int arrangeWidth, int arrangeHeight)

ArrangeOverride allows for the customization of the positioning of children. (inherited)

Parameter	Type	Description
arrangeWidth	int
arrangeHeight	int

Dispose()

public void Dispose()

Releases buffered memory (the unmanaged firmware/application buffers). (inherited)

Dispose(bool disposing)

protected virtual void Dispose(bool disposing)

Closes a response stream, if present. (inherited)

Parameter	Type	Description
disposing	bool	Not used.

Events

SelectionChanged

public event SelectionChangedEventHandler SelectionChanged

No description available.