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PopupContentDecorator Class

In This Article
Namespace:
ActiproSoftware.Windows.Controls.Ribbon.Controls.Primitives
Assembly:
ActiproSoftware.Ribbon.Wpf.dll

Represents a Decorator control that can be used on a ribbon control popup directly as a child of a ScrollViewer to make sure it measures at the real size of the container with support for setting a minimum height and width;

public class PopupContentDecorator : Decorator
Inheritance:
object Visual UIElement FrameworkElement Decorator object

Constructors

PopupContentDecorator()

Initializes an instance of the class.

public PopupContentDecorator()

Properties

CanHorizontallyScroll

Gets or sets a value that indicates whether scrolling on the horizontal axis is possible.

public bool CanHorizontallyScroll { get; set; }

Property Value

bool

CanVerticallyScroll

Gets or sets a value that indicates whether scrolling on the vertical axis is possible.

public bool CanVerticallyScroll { get; set; }

Property Value

bool

ExtentHeight

Gets the vertical size of the extent.

public double ExtentHeight { get; }

Property Value

double:

A double that represents, in device independent pixels, the vertical size of the extent. This property has no default value.

ExtentWidth

Gets the horizontal size of the extent.

public double ExtentWidth { get; }

Property Value

double:

A double that represents, in device independent pixels, the horizontal size of the extent. This property has no default value.

HorizontalOffset

Gets the horizontal offset of the scrolled content.

public double HorizontalOffset { get; }

Property Value

double:

A double that represents, in device independent pixels, the horizontal offset. This property has no default value.

ScrollOwner

Gets or sets a ScrollViewer element that controls scrolling behavior.

public ScrollViewer ScrollOwner { get; set; }

Property Value

ScrollViewer:

A ScrollViewer element that controls scrolling behavior. This property has no default value.

VerticalOffset

Gets the vertical offset of the scrolled content.

public double VerticalOffset { get; }

Property Value

double:

A double that represents, in device independent pixels, the vertical offset of the scrolled content. Valid values are between zero and the ExtentHeight minus the ViewportHeight. This property has no default value.

ViewportHeight

Gets the vertical size of the viewport for this content.

public double ViewportHeight { get; }

Property Value

double:

A double that represents, in device independent pixels, the vertical size of the viewport for this content. This property has no default value.

ViewportWidth

Gets the horizontal size of the viewport for this content.

public double ViewportWidth { get; }

Property Value

double:

A double that represents, in device independent pixels, the horizontal size of the viewport for this content. This property has no default value.

Methods

ArrangeOverride(Size)

Arranges the content of a Decorator element.

protected override Size ArrangeOverride(Size arrangeSize)
Parameter Type Description
arrangeSize Size

The System.Windows.Size this element uses to arrange its child content.

Returns

Size:

The System.Windows.Size that represents the arranged size of this Decorator element and its child.

LineDown()

Scrolls down within content by one logical unit.

public void LineDown()

LineLeft()

Scrolls left within content by one logical unit.

public void LineLeft()

LineRight()

Scrolls right within content by one logical unit.

public void LineRight()

LineUp()

Scrolls up within content by one logical unit.

public void LineUp()

MakeVisible(Visual, Rect)

Forces content to scroll until the coordinate space of a Visual object is visible.

public Rect MakeVisible(Visual visual, Rect rectangle)
Parameter Type Description
visual Visual

A Visual that becomes visible.
rectangle Rect

A bounding rectangle that identifies the coordinate space to make visible.

Returns

Rect:

A System.Windows.Rect that is visible.

MeasureOverride(Size)

Measures the child element of a Decorator to prepare for arranging it during the ArrangeOverride(Size) pass.

protected override Size MeasureOverride(Size constraint)
Parameter Type Description
constraint Size

An upper limit System.Windows.Size that should not be exceeded.

Returns

Size:

The target System.Windows.Size of the element.

MouseWheelDown()

Scrolls down within content after a user clicks the wheel button on a mouse.

public void MouseWheelDown()

MouseWheelLeft()

Scrolls left within content after a user clicks the wheel button on a mouse.

public void MouseWheelLeft()

MouseWheelRight()

Scrolls right within content after a user clicks the wheel button on a mouse.

public void MouseWheelRight()

MouseWheelUp()

Scrolls up within content after a user clicks the wheel button on a mouse.

public void MouseWheelUp()

PageDown()

Scrolls down within content by one page.

public void PageDown()

PageLeft()

Scrolls left within content by one page.

public void PageLeft()

PageRight()

Scrolls right within content by one page.

public void PageRight()

PageUp()

Scrolls up within content by one page.

public void PageUp()

SetHorizontalOffset(double)

Sets the amount of horizontal offset.

public void SetHorizontalOffset(double offset)
Parameter Type Description
offset double

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

SetVerticalOffset(double)

Sets the amount of vertical offset.

public void SetVerticalOffset(double offset)
Parameter Type Description
offset double

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

TryUpdateOffset(Point)

Attempts to update the offset.

public bool TryUpdateOffset(Point offset)
Parameter Type Description
offset Point

The offset.

Returns

bool:

true if the offset was updated; otherwise, false.

Fields

LineSize

Represents the number of pixels contained in a single line.

public const double LineSize = 16

WheelScrollLines

Represents the number of lines scroll when using the mouse wheel.

public static readonly int WheelScrollLines