Class TreeNodesContainerBase

This is a scrollable node container base that holds the item elements. And handles the arrange and measure logic of all elements.

Inheritance
System.Object
TreeNodesContainerBase
TreeNodeContainer
Implements
System.Windows.Controls.Primitives.IScrollInfo
Namespace: Syncfusion.UI.Xaml.TreeView
Assembly: Syncfusion.SfTreeView.WPF.dll
Syntax
public class TreeNodesContainerBase : Panel, IScrollInfo

Properties

CanHorizontallyScroll

Gets or sets a value that indicates whether the TreeNodeContainer can scroll horizontally.

Declaration
public bool CanHorizontallyScroll { get; set; }
Property Value
Type Description
System.Boolean

true if th TreeNodeContainer scrolled horizontally; otherwise, false;

CanVerticallyScroll

Gets or sets a value that indicates whether the TreeNodeContainer can scroll vertically.

Declaration
public bool CanVerticallyScroll { get; set; }
Property Value
Type Description
System.Boolean

true if the TreeNodeContainer scrolled vertically; otherwise, false;

ExtentHeight

Gets the vertical size of the extent.

Declaration
public double ExtentHeight { get; }
Property Value
Type Description
System.Double

ExtentWidth

Gets the horizontal size of the extent.

Declaration
public double ExtentWidth { get; }
Property Value
Type Description
System.Double

HorizontalOffset

Gets the horizontal offset.

Declaration
public double HorizontalOffset { get; }
Property Value
Type Description
System.Double

HScrollBar

Gets the horizontal scrollbar.

Declaration
public ScrollInfo HScrollBar { get; }
Property Value
Type Description
ScrollInfo

ScrollOwner

Gets a reference to the System.Windows.Controls.ScrollViewer instance.

Declaration
public ScrollViewer ScrollOwner { get; set; }
Property Value
Type Description
System.Windows.Controls.ScrollViewer

ScrollRows

Gets or sets a reference to the ScrollAxisBase instance which contains the information of row lines.

Declaration
public ScrollAxisBase ScrollRows { get; }
Property Value
Type Description
ScrollAxisBase

VerticalOffset

Gets the vertical offset.

Declaration
public double VerticalOffset { get; }
Property Value
Type Description
System.Double

ViewportHeight

Gets the vertical size of the viewport.

Declaration
public double ViewportHeight { get; }
Property Value
Type Description
System.Double

ViewportWidth

Gets the horizontal size of the viewport.

Declaration
public double ViewportWidth { get; }
Property Value
Type Description
System.Double

VScrollBar

Gets the vertical scrollbar.

Declaration
public ScrollInfo VScrollBar { get; }
Property Value
Type Description
ScrollInfo

Methods

CreateScrollAxis(Boolean, IScrollBar, ILineSizeHost)

Creates a new instance of ScrollAxisBase.

Declaration
protected virtual ScrollAxisBase CreateScrollAxis(bool pixelScroll, IScrollBar scrollBar, ILineSizeHost lineSizes)
Parameters
Type Name Description
System.Boolean pixelScroll

A boolean value denoting pixel or line scrolling.
IScrollBar scrollBar

The scroll bar.
ILineSizeHost lineSizes

The line sizes.
Returns
Type Description
ScrollAxisBase

Returns the ScrollAxisBase.

Dispose()

Dispose all the allocated resources.

Declaration
public void Dispose()

Dispose(Boolean)

Dispose the instances, if parameter is true.

Declaration
protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing

Represents the boolean value for disposing objects.

LineDown()

Scrolls the content of down by one line.

Declaration
public void LineDown()

LineLeft()

Scrolls the content of to left by one line.

Declaration
public void LineLeft()

LineRight()

Scrolls the content of to right by one line.

Declaration
public void LineRight()

LineUp()

Scrolls the content of up by one line.

Declaration
public void LineUp()

MakeVisible(Visual, Rect)

Scrolls to the specified coordinates and makes that part of a System.Windows.Media.Visual visible.

Declaration
public Rect MakeVisible(Visual visual, Rect rectangle)
Parameters
Type Name Description
System.Windows.Media.Visual visual

The System.Windows.Media.Visual that becomes visible.
System.Windows.Rect rectangle

The System.Windows.Rect that represents coordinate space within a visual.
Returns
Type Description
System.Windows.Rect

Returns the rectangle.

MouseWheelDown()

Scrolls the content of TreeNodesContainerBase logically downward in response to a downward click of the mouse wheel button.

Declaration
public void MouseWheelDown()

MouseWheelLeft()

Scrolls the content of TreeNodesContainerBase logically to left in response to a left click of the mouse wheel button.

Declaration
public void MouseWheelLeft()

MouseWheelRight()

Scrolls the content of TreeNodesContainerBase logically to right in response to a right click of the mouse wheel button.

Declaration
public void MouseWheelRight()

MouseWheelUp()

Scrolls the content of TreeNodesContainerBase logically upward in response to a upward click of the mouse wheel button.

Declaration
public void MouseWheelUp()

PageDown()

Scrolls the content of downward by one page.

Declaration
public void PageDown()

PageLeft()

Scrolls the content of to the left by one page.

Declaration
public void PageLeft()

PageRight()

Scrolls the content of to the right by one page.

Declaration
public void PageRight()

PageUp()

Scrolls the content of upward by one page.

Declaration
public void PageUp()

SetHorizontalOffset(Double)

Sets the amount of horizontal offset.

Declaration
public void SetHorizontalOffset(double offset)
Parameters
Type Name Description
System.Double offset

The degree to which content is horizontally offset from the containing viewport.

SetVerticalOffset(Double)

Sets the amount of vertical offset.

Declaration
public void SetVerticalOffset(double offset)
Parameters
Type Name Description
System.Double offset

The degree to which content is vertically offset from the containing viewport.

Implements

System.Windows.Controls.Primitives.IScrollInfo

Extension Methods