Class

ItemScroller<T>

Declaration

public ItemScroller()

Declaration

protected int cachedScrollOffset

Field Value

Declaration

protected int currentItemWidth

Field Value

Declaration

protected bool scrollbarChanged

Field Value

When set to true, allows the scroller to scroll through the items when the scrollbar is not visible.

Declaration

public bool AllowHiddenScrolling { get; set; }

Property Value

Gets or sets a value indicating whether scrolling is asynchronous.

Declaration

public bool AsynchronousScrolling { get; set; }

Property Value

Gets or sets the client size.

Declaration

public SizeF ClientSize { get; set; }

Property Value

Gets or sets the element provider.

Declaration

public IVirtualizedElementProvider<T> ElementProvider { get; set; }

Property Value

Gets or sets the item height.

Declaration

public int ItemHeight { get; set; }

Property Value

Gets or sets the item spacing.

Declaration

public int ItemSpacing { get; set; }

Property Value

Gets the max width of item.

Declaration

public int MaxItemWidth { get; }

Property Value

Gets the position.

Declaration

public object Position { get; }

Property Value

Gets or sets the scroll mode.

Declaration

public ItemScrollerScrollModes ScrollMode { get; set; }

Property Value

Gets or sets the scroll offset.

Declaration

public int ScrollOffset { get; set; }

Property Value

Gets or sets the state of the scroll.

Declaration

public ScrollState ScrollState { get; set; }

Property Value

Gets or sets the associated scrollbar.

Declaration

public RadScrollBarElement Scrollbar { get; set; }

Property Value

Gets or sets the tool tip.

Declaration

public ToolTip ToolTip { get; protected set; }

Property Value

Gets or sets the associated traverser.

Declaration

public ITraverser<T> Traverser { get; set; }

Property Value

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

Declaration

public void Dispose()

Implements IDisposable.Dispose()

Releases unmanaged and - optionally - managed resources.

Declaration

protected virtual void Dispose(bool disposing)

Parameters

Determines the traverser's current item index

Declaration

protected virtual int GetCurrentItemIndex()

Returns

Gets the height of the scroll.

Declaration

public virtual int GetScrollHeight(T item)

Parameters

Returns

Determines the ToolTip text

Declaration

protected virtual string GetToolTipText()

Returns

Hides scroller's tooltip

Declaration

protected virtual void HideToolTip()

Determines whether the scrollbar is currently at or near the maximum scroll position (bottom for vertical, right for horizontal).

Declaration

public virtual bool IsScrolledToEnd()

Returns

Raises the event.

Declaration

protected virtual void OnScrollerUpdated(EventArgs e)

Parameters

Called when tool tip text is needed.

Declaration

protected virtual void OnToolTipTextNeeded(object sender, ToolTipTextNeededEventArgs e)

Parameters

Scrolls down to specified position.

Declaration

protected virtual bool ScrollDown(int step)

Parameters

Returns

Scrolls to specified position.

Declaration

protected virtual bool ScrollTo(int position)

Parameters

Returns

Scrolls to begin.

Declaration

protected virtual bool ScrollToBegin()

Returns

Scrolls to end.

Declaration

protected virtual bool ScrollToEnd()

Returns

Scrolls to item.

Declaration

public virtual bool ScrollToItem(T item)

Parameters

Returns

Scrolls to item.

Declaration

public virtual bool ScrollToItem(T item, bool checkScrollVisibility)

Parameters

Returns

Scrolls the scrollbar to the maximum scroll position (bottom for vertical, right for horizontal).

Declaration

public virtual void ScrollToMaxValue()

Scrolls up.

Declaration

protected virtual bool ScrollUp(int step)

Parameters

Returns

Sets the scroll bar visibility.

Declaration

protected void SetScrollBarVisibility()

Shows scroller's tool tip

Declaration

protected virtual void ShowToolTip()

Updates the on scroll.

Declaration

protected virtual bool UpdateOnScroll(ScrollEventArgs e)

Parameters

Returns

Updates the scroll range.

Declaration

public virtual void UpdateScrollRange()

Updates the scroll range with concrete range.

Declaration

public virtual void UpdateScrollRange(int maximum, bool updateScrollValue)

Parameters

Updates the scroll step.

Declaration

public virtual void UpdateScrollStep()

Updates the scroll value.

Declaration

public virtual void UpdateScrollValue()

Occurs when the scroller is updated.

Declaration

public event EventHandler ScrollerUpdated

Event Value

Occurs when tool tip text is needed.

Declaration

public event ToolTipTextNeededEventHandler ToolTipTextNeeded

Event Value