LinkPanel

LinkPanel

public LinkPanel()

linkPanel = LinkPanel()

Construct an empty LinkPanel.

Implementation

public LinkPanelImplementation Implementation { get; set; }

value = linkPanel.Implementation
linkPanel.Implementation = value

Gets or sets the nature of the link implementation.

Path

public Shape Path { get; }

value = linkPanel.Path

Gets the LinkShape that represents the visual path of the Route of the Link.

ArrangeOverride

protected override Size ArrangeOverride(Size finalSize)

result = linkPanel.ArrangeOverride(finalSize)

Arrange the child elements of this panel and of any label nodes.

finalSize

ComputeAngle

protected virtual double ComputeAngle(UIElement elt, LabelOrientation orient, double angle)

result = linkPanel.ComputeAngle(elt, orient, angle)

Dynamically compute the desired angle of an element along a segment of the route.

elt

the UIElement being rotated

orient

the LabelOrientation declared for the element

angle

the angle of the segment of the route where the element is attached

Returns: the intended angle for the element

ComputeOffset

protected virtual Point ComputeOffset(UIElement elt, int index, double segangle, Size sz, double labelangle)

result = linkPanel.ComputeOffset(elt, index, segangle, sz, labelangle)

Compute the offset to use in determining the position of a label.

elt

the label being positioned, either a child element of the LinkPanel or the VisualElement of a label Node

index

the segment of the link, or a negative value if the label should be at the MidPoint

segangle

the angle of the th segment, or the MidAngle

sz

the size of the label

labelangle

the angle at which the label is rotated, from calling Double)

Returns: an offset that is rotated according to the angle of the segment; this will be added to the midpoint of the link or to the fractional point along the segment

GetAlignment

public static Spot GetAlignment(DependencyObject d)

result = LinkPanel.GetAlignment(d)

Gets an element's alignment spot, which controls the point of the element that is positioned at a distance of the way along a particular segment of the route.

d

a child element of a LinkPanel

Returns: The default value is Center.

GetFraction

public static double GetFraction(DependencyObject d)

result = LinkPanel.GetFraction(d)

Gets the fractional distance along a segment at which the element should be positioned.

d

a child element of a LinkPanel

Returns: The default value is zero. For negative indexes, the fraction increases from zero to one as the point moves from the "to" end towards the "from" end.

GetFromArrow

public static Arrowhead GetFromArrow(DependencyObject d)

result = LinkPanel.GetFromArrow(d)

Gets the Arrowhead on a Path, at the FromNode end.

d

a child element of a LinkPanel

Returns: The default value is None, meaning there is no Arrowhead on the element.

GetFromArrowScale

public static double GetFromArrowScale(DependencyObject d)

result = LinkPanel.GetFromArrowScale(d)

Gets the size of the Arrowhead on an element, at the FromNode end, as a scale multiple of its base size.

d

a child element of a LinkPanel

Returns: The default value is 1.0, indicating the base size defined in Generic.xaml.

GetIndex

public static int GetIndex(DependencyObject d)

result = LinkPanel.GetIndex(d)

Gets an element's segment index along the link's route.

d

a child element of a LinkPanel

Returns: Zero identifies the segment closest to the "from" end of the route. Positive values identify segments further along the route. Negative values identify segments starting at the "to" end of the route; -1 is the last segment, -2 is the next to last, etc. If the index is not specified for an element, the LinkPanel will arrange it to be at the Route's MidPoint.

GetIsLinkShape

public static bool GetIsLinkShape(DependencyObject d)

result = LinkPanel.GetIsLinkShape(d)

Gets whether a LinkShape is the primary stroke for the link.

GetOffset

public static Point GetOffset(DependencyObject d)

result = LinkPanel.GetOffset(d)

Gets the distances from the fractional point of a link segment at which the element should be positioned.

d

a child element of a LinkPanel

Returns: The default value is (0, 0). The offset distances are in model coordinates. The offset is rotated to the angle of the link segment. Positive X values result in the element being positioned farther along the link segment; negative values are closer. Positive Y values result in the element being positioned away from the link segment on the right side of the path; negative values go toward the left side.

GetOrientation

public static LabelOrientation GetOrientation(DependencyObject d)

result = LinkPanel.GetOrientation(d)

Gets an element's intended rotation policy.

d

a child element of a LinkPanel

Returns: The default value is None, meaning the element is not to be rotated.

GetToArrow

public static Arrowhead GetToArrow(DependencyObject d)

result = LinkPanel.GetToArrow(d)

Gets the Arrowhead on a Path, at the ToNode end.

d

a child element of a LinkPanel

Returns: The default value is None, meaning there is no Arrowhead on the element.

GetToArrowScale

public static double GetToArrowScale(DependencyObject d)

result = LinkPanel.GetToArrowScale(d)

Gets the size of the Arrowhead on an element, at the ToNode end, as a scale multiple of its base size.

d

a child element of a LinkPanel

Returns: The default value is 1.0, indicating the base size defined in the xaml.

IsFilled

public static bool IsFilled(Arrowhead arrow)

result = LinkPanel.IsFilled(arrow)

Returns whether an Arrowhead should be filled.

arrow

The Arrowhead which should or should not be filled.

Returns: True if the Arrowhead should be filled.

MeasureOverride

protected override Size MeasureOverride(Size availableSize)

result = linkPanel.MeasureOverride(availableSize)

Determine the size of the union of the bounds of the positioned and rotated child elements.

availableSize

SetAlignment

public static void SetAlignment(DependencyObject d, Spot v)

LinkPanel.SetAlignment(d, v)

Sets an element's alignment spot, which controls the point of the element that is positioned at a distance of the way along a particular segment of the route.

d

a child element of a LinkPanel

v

SetFraction

public static void SetFraction(DependencyObject d, double v)

LinkPanel.SetFraction(d, v)

Sets the fractional distance along a segment at which the element should be positioned.

d

a child element of a LinkPanel

v

The fraction should be between zero and one, inclusive. For non-negative indexes, the fraction increases from zero to one as the point moves from the "from" end toward the "to" end. For negative indexes, the fraction increases from zero to one as the point moves from the "to" end towards the "from" end.

SetFromArrow

public static void SetFromArrow(DependencyObject d, Arrowhead v)

LinkPanel.SetFromArrow(d, v)

Sets the Arrowhead on a Path, at the FromNode end.

d

a child element of a LinkPanel

v

the constant of the Arrowhead enum to which FromArrowProperty is being set.

SetFromArrowScale

public static void SetFromArrowScale(DependencyObject d, double v)

LinkPanel.SetFromArrowScale(d, v)

Sets the size of the Arrowhead on an element at the FromNode end as a scale multiple of its base size.

d

a child element of a LinkPanel

v

the scale factor. Acceptable values are real numbers between zero and infinity.

SetIndex

public static void SetIndex(DependencyObject d, int v)

LinkPanel.SetIndex(d, v)

Sets an element's segment index along the link's route.

d

a child element of a LinkPanel

v

Zero identifies the segment closest to the "from" end of the route. Positive values identify segments further along the route. Negative values identify segments starting at the "to" end of the route; -1 is the last segment, -2 is the next to last, etc. If the index is not specified for an element, the LinkPanel will arrange it to be at the Route's MidPoint.

SetIsLinkShape

public static void SetIsLinkShape(DependencyObject d, bool v)

LinkPanel.SetIsLinkShape(d, v)

Sets whether a LinkShape is the primary stroke for the link.

SetOffset

public static void SetOffset(DependencyObject d, Point v)

LinkPanel.SetOffset(d, v)

Sets the distances from the fractional point of a link segment at which the element should be positioned.

d

a child element of a LinkPanel

v

The offset distances are in model coordinates. The offset is rotated to the angle of the link segment. Positive X values result in the element being positioned farther along the link segment; negative values are closer. Positive Y values result in the element being positioned away from the link segment on the right side of the path; negative values go toward the left side.

SetOrientation

public static void SetOrientation(DependencyObject d, LabelOrientation v)

LinkPanel.SetOrientation(d, v)

Sets an element's intended rotation policy.

d

a child element of a LinkPanel

v

SetToArrow

public static void SetToArrow(DependencyObject d, Arrowhead v)

LinkPanel.SetToArrow(d, v)

Sets the Arrowhead on a Path, at the ToNode end.

d

a child element of a LinkPanel

v

the constant of the Arrowhead enum to which ToArrowProperty is being set.

SetToArrowScale

public static void SetToArrowScale(DependencyObject d, double v)

LinkPanel.SetToArrowScale(d, v)

Sets the size of the Arrowhead on an element, at the ToNode end, as a scale multiple of its base size.

d

a child element of a LinkPanel

v

the scale factor. Acceptable values are real numbers between zero and infinity.

AlignmentProperty

public static readonly DependencyProperty AlignmentProperty

value = LinkPanel.AlignmentProperty

Identifies the Alignment attached dependency property.

FractionProperty

public static readonly DependencyProperty FractionProperty

value = LinkPanel.FractionProperty

Identifies the Fraction attached dependency property.

FromArrowProperty

public static readonly DependencyProperty FromArrowProperty

value = LinkPanel.FromArrowProperty

Identifies the FromArrow attached dependency property.

FromArrowScaleProperty

public static readonly DependencyProperty FromArrowScaleProperty

value = LinkPanel.FromArrowScaleProperty

Identifies the FromArrowScale attached dependency property.

ImplementationProperty

public static readonly DependencyProperty ImplementationProperty

value = LinkPanel.ImplementationProperty

Identifies the Implementation dependency property.

IndexProperty

public static readonly DependencyProperty IndexProperty

value = LinkPanel.IndexProperty

Identifies the Index attached dependency property.

IsLinkShapeProperty

public static readonly DependencyProperty IsLinkShapeProperty

value = LinkPanel.IsLinkShapeProperty

Identifies the IsLinkShape dependency property.

OffsetProperty

public static readonly DependencyProperty OffsetProperty

value = LinkPanel.OffsetProperty

Identifies the Offset attached dependency property.

OrientationProperty

public static readonly DependencyProperty OrientationProperty

value = LinkPanel.OrientationProperty

Identifies the Orientation attached dependency property.

ToArrowProperty

public static readonly DependencyProperty ToArrowProperty

value = LinkPanel.ToArrowProperty

Identifies the ToArrow attached dependency property.

ToArrowScaleProperty

public static readonly DependencyProperty ToArrowScaleProperty

value = LinkPanel.ToArrowScaleProperty

Identifies the ToArrowScale attached dependency property.