DiagramPanel

DiagramPanel

public DiagramPanel()

diagramPanel = DiagramPanel()

Construct an empty DiagramPanel.

AdornmentLayer

public NodeLayer AdornmentLayer { get; }

value = diagramPanel.AdornmentLayer

Gets the standard layer used to hold Adornments, which is normally in front of all of the other layers.

AutoScrollDelay

public int AutoScrollDelay { get; set; }

value = diagramPanel.AutoScrollDelay
diagramPanel.AutoScrollDelay = value

Gets or sets how long to wait before autoscrolling.

AutoScrollRegion

public Thickness AutoScrollRegion { get; set; }

value = diagramPanel.AutoScrollRegion
diagramPanel.AutoScrollRegion = value

Gets or sets the margin in the panel where a mouse drag will automatically cause the view to scroll.

AutoScrollTime

public int AutoScrollTime { get; set; }

value = diagramPanel.AutoScrollTime
diagramPanel.AutoScrollTime = value

Gets or sets how quickly to change the Position when the mouse is in the AutoScrollRegion.

CanHorizontallyScroll

public bool CanHorizontallyScroll { get; set; }

value = diagramPanel.CanHorizontallyScroll
diagramPanel.CanHorizontallyScroll = value

Gets or sets whether the user can scroll horizontally. (Implements IScrollInfo.)

CanVerticallyScroll

public bool CanVerticallyScroll { get; set; }

value = diagramPanel.CanVerticallyScroll
diagramPanel.CanVerticallyScroll = value

Gets or sets whether the user can scroll vertically. (Implements IScrollInfo.)

Diagram

public Diagram Diagram { get; internal set; }

value = diagramPanel.Diagram
diagramPanel.Diagram = value

Gets the Diagram that this panel is in.

DiagramBounds

public Rect DiagramBounds { get; set; }

value = diagramPanel.DiagramBounds
diagramPanel.DiagramBounds = value

Gets or sets the model-coordinate bounds of the diagram.

ExtentHeight

public double ExtentHeight { get; }

value = diagramPanel.ExtentHeight

Get the vertical size of the scrollable part of this diagram, in control (device independent pixel) units. (Implements IScrollInfo.)

ExtentWidth

public double ExtentWidth { get; }

value = diagramPanel.ExtentWidth

Get the horizontal size of the scrollable part of this diagram, in control (device independent pixel) units. (Implements IScrollInfo.)

FixedBounds

public Rect FixedBounds { get; set; }

value = diagramPanel.FixedBounds
diagramPanel.FixedBounds = value

Gets or sets a fixed bounding rectangle to be returned by ComputeDiagramBounds.

HorizontalContentAlignment

public HorizontalAlignment HorizontalContentAlignment { get; set; }

value = diagramPanel.HorizontalContentAlignment
diagramPanel.HorizontalContentAlignment = value

Gets or sets how the parts are positioned in the panel when the DiagramBounds width is smaller than the ViewportWidth.

HorizontalOffset

public double HorizontalOffset { get; }

value = diagramPanel.HorizontalOffset

Gets the horizontal offset of the diagram's parts. (Implements IScrollInfo.)

MaximumScale

public double MaximumScale { get; set; }

value = diagramPanel.MaximumScale
diagramPanel.MaximumScale = value

Gets or sets the largest value that Scale may take.

MinimumScale

public double MinimumScale { get; set; }

value = diagramPanel.MinimumScale
diagramPanel.MinimumScale = value

Gets or sets the smallest value greater than zero that Scale may take.

Padding

public Thickness Padding { get; set; }

value = diagramPanel.Padding
diagramPanel.Padding = value

Gets or sets the amount of extra "empty" space is reserved around the DiagramBounds.

Position

public Point Position { get; set; }

value = diagramPanel.Position
diagramPanel.Position = value

Gets or sets the point, in model coordinates, shown at the top-left corner of this panel.

Scale

public double Scale { get; set; }

value = diagramPanel.Scale
diagramPanel.Scale = value

Gets or sets the scale factor at which everything is rendered.

ScrollHorizontalLineChange

public double ScrollHorizontalLineChange { get; set; }

value = diagramPanel.ScrollHorizontalLineChange
diagramPanel.ScrollHorizontalLineChange = value

Gets or sets the size of a "line" when scrolling horizontally.

ScrollOwner

public ScrollViewer ScrollOwner { get; set; }

value = diagramPanel.ScrollOwner
diagramPanel.ScrollOwner = value

Gets or sets the ScrollViewer that lets the user scroll this panel. (Implements IScrollInfo.)

ScrollVerticalLineChange

public double ScrollVerticalLineChange { get; set; }

value = diagramPanel.ScrollVerticalLineChange
diagramPanel.ScrollVerticalLineChange = value

Gets or sets the size of a "line" when scrolling vertically.

Stretch

public StretchPolicy Stretch { get; set; }

value = diagramPanel.Stretch
diagramPanel.Stretch = value

Gets or sets how the panel's Scale property is set, depending on the size of the DiagramBounds.

VerticalContentAlignment

public VerticalAlignment VerticalContentAlignment { get; set; }

value = diagramPanel.VerticalContentAlignment
diagramPanel.VerticalContentAlignment = value

Gets or sets how the parts are positioned in the panel when the DiagramBounds width is smaller than the ViewportWidth.

VerticalOffset

public double VerticalOffset { get; }

value = diagramPanel.VerticalOffset

Gets the vertical offset of the diagram's parts. (Implements IScrollInfo.)

ViewportBounds

public Rect ViewportBounds { get; }

value = diagramPanel.ViewportBounds

Gets the visible part of this panel, in model coordinates.

ViewportHeight

public double ViewportHeight { get; }

value = diagramPanel.ViewportHeight

Get the vertical size of the visible part of this panel, in control (device independent pixel) units. (Implements IScrollInfo.)

ViewportWidth

public double ViewportWidth { get; }

value = diagramPanel.ViewportWidth

Get the horizontal size of the visible part of this panel, in control (device independent pixel) units. (Implements IScrollInfo.)

ZoomPoint

public Point ZoomPoint { get; set; }

value = diagramPanel.ZoomPoint
diagramPanel.ZoomPoint = value

Gets or sets the apparent focus point used when zooming in or out.

ZoomTime

public int ZoomTime { get; set; }

value = diagramPanel.ZoomTime
diagramPanel.ZoomTime = value

Gets or sets how quickly to change the Scale and/or Position properties when adapting to DiagramBounds changes or panel size changes causing content re-alignment, or in calls to Rect) or Action).

ArrangeOverride

protected override Size ArrangeOverride(Size finalSize)

result = diagramPanel.ArrangeOverride(finalSize)

Arrange each of the Layers in this panel.

finalSize

CenterPart

public void CenterPart(Part part)

diagramPanel.CenterPart(part)

Center a Part's bounds within this viewport.

part

CenterPart

public void CenterPart(Part part, Action afterwards)

diagramPanel.CenterPart(part, afterwards)

Center a Part's bounds within this viewport.

part

afterwards

an Action to be performed after the animation is finished; may be null

CenterRect

public void CenterRect(Rect bounds, Action afterwards)

diagramPanel.CenterRect(bounds, afterwards)

Center a particular area of the diagram within this viewport.

bounds

a Rect in model coordinates

afterwards

an Action to be performed after the animation is finished; may be null

ComputeAutoScrollPosition

protected virtual Point ComputeAutoScrollPosition(Point viewPnt)

result = diagramPanel.ComputeAutoScrollPosition(viewPnt)

This method is called to determine the next position in the document for this view, given a point at which the user is dragging the mouse.

viewPnt

The mouse point, in control coordinates.

ComputeBounds

public virtual Rect ComputeBounds(IEnumerable<Part> parts)

result = diagramPanel.ComputeBounds(parts)

Compute the bounding rectangle that surrounds a given collection of parts.

parts

Returns: the union of the Bounds of all of the parts in , or Rect.Empty if there are no parts

ComputeDiagramBounds

protected virtual Rect ComputeDiagramBounds()

result = diagramPanel.ComputeDiagramBounds()

This is called by UpdateDiagramBounds to determine a new value for DiagramBounds.

Returns: a Rect in model coordinates

CreateBackgroundGridPattern

protected virtual GridPattern CreateBackgroundGridPattern()

result = diagramPanel.CreateBackgroundGridPattern()

Create the GridPattern for the whole diagram, using the GridPatternTemplate data template.

Returns: the unbound Node holding the GridPattern

DoAutoScroll

public void DoAutoScroll(Point modelPnt)

diagramPanel.DoAutoScroll(modelPnt)

Start or continue automatically scrolling the view during a mouse drag.

modelPnt

the current mouse point, in model coordinates

DoMakeVisible

protected virtual Rect DoMakeVisible(UIElement elt, Rect rectangle)

result = diagramPanel.DoMakeVisible(elt, rectangle)

This overridable method changes the Position so that the given element becomes visible in the viewport.

elt

a UIElement that is in the visual tree of this panel

rectangle

The region of the element to bring into view; if this is empty, this defaults to the element's parent Part's Bounds.

FindElementAt``1

public T FindElementAt<T>(Point p, Func<Visual, T> navig, Predicate<T> pred, SearchLayers layers)

result = diagramPanel.FindElementAt(p, navig, pred, layers)

Search all parts that are at a given point that meet a given predicate, and return the first element that matches.

p

a Point in model coordinates

navig

This is a function that is given an element at the given point and returns an element of type to be considered by the predicate . Typically the function will find the ancestor Part or Node.

pred

This is a predicate that is given an element of type ; If the predicate returns true, this method returns that element; if it returns false, the search continues for elements at the given point. If this predicate argument is null, no filtering of elements is done -- the first one found is returned.

layers

The kinds of Layers to search in. For example, if you are looking for a Node, using the value Nodes, this will speed up the search by ignore layers containing Links.

Returns: an element of type , or null if none is found

FindElementsAt``1

public IEnumerable<T> FindElementsAt<T>(Point p, Func<Visual, T> navig, Predicate<T> pred, SearchLayers layers)

result = diagramPanel.FindElementsAt(p, navig, pred, layers)

Search all parts that are at a given point that meet a given predicate, and return a collection of elements that match.

p

a Point in model coordinates

navig

This is a function that is given an element at the given point and returns an element of type to be considered by the predicate . Typically the function will find the ancestor Part or Node.

pred

This is a predicate that is given an element of type ; if the predicate returns true, this method includes that element in its results. If this predicate argument is null, no filtering of elements is done -- all are included.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

Returns: a perhaps empty collection of elements of type

FindElementsIn``1

public IEnumerable<T> FindElementsIn<T>(Rect rect, Func<Visual, T> navig, Predicate<T> pred, SearchLayers layers)

result = diagramPanel.FindElementsIn(rect, navig, pred, layers)

Find elements that are within a rectangle.

rect

a Rect in model coordinates

navig

This is a function that is given an element at the given point and returns an element of type to be considered by the predicate . Typically the function will find the ancestor Part or Node.

pred

This is a predicate that is given an element of type ; if the predicate returns true, this method includes that element in its results.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

Returns: a perhaps empty collection of elements of type

FindElementsNear``1

public IEnumerable<T> FindElementsNear<T>(Point p, double dist, Func<Visual, T> navig, Predicate<T> pred, SearchLayers layers)

result = diagramPanel.FindElementsNear(p, dist, navig, pred, layers)

Find elements that are within a distance of a point.

p

a Point in model coordinates

dist

the distance, in model coordinates

navig

This is a function that is given an element at the given point and returns an element of type to be considered by the predicate . Typically the function will find the ancestor Part or Node.

pred

This is a predicate that is given an element of type ; if the predicate returns true, this method includes that element in its results.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

Returns: an element of type , or null if none is found

FindElementsWithin``1

internal IEnumerable<T> FindElementsWithin<T>(Geometry geo, Func<Visual, T> navig, Predicate<T> pred, SearchLayers layers)

result = diagramPanel.FindElementsWithin(geo, navig, pred, layers)

Search all parts that are at inside a given geometry that meet a given predicate, and return a collection of elements that match.

geo

a Geometry in model coordinates

navig

This is a function that is given an element at the given point and returns an element of type to be considered by the predicate . Typically the function will find the ancestor Part or Node.

pred

This is a predicate that is given an element of type ; if the predicate returns true, this method includes that element in its results.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

Returns: a perhaps empty collection of elements of type

FindLayer``1

public T FindLayer<T>(string name)

result = diagramPanel.FindLayer(name)

Find a Layer of the given type with exactly the same Id as the given .

name

FindPartAt``1

public T FindPartAt<T>(Point p, Predicate<T> pred, SearchLayers layers)

result = diagramPanel.FindPartAt(p, pred, layers)

Return the front-most Part that is at a given point.

p

a Point in model coordinates

pred

This is a predicate that is given an part of type ; if the predicate returns true, this method returns that part. If this argument is null, this returns the first part it finds at the point.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

Returns: null if no such part is found

FindPartsAt``1

public IEnumerable<T> FindPartsAt<T>(Point p, SearchLayers layers)

result = diagramPanel.FindPartsAt(p, layers)

Return all of the Parts that are at a given point.

p

a Point in model coordinates

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

Returns: All of the Parts of the given type that are at the Point and that are in the kinds of layers indicated by . This returns an empty list if no qualifying parts are found.

FindPartsIn``1

public IEnumerable<T> FindPartsIn<T>(Rect rect, SearchFlags srch, SearchInclusion overlap, SearchLayers layers)

result = diagramPanel.FindPartsIn(rect, srch, overlap, layers)

Find parts that are within a rectangle.

rect

a Rect in model coordinates

srch

Which kinds of parts to include; a typical value might be SelectableParts.

overlap

The required geometric relationship with the part; the typical value is Inside.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

FindPartsNear``1

public IEnumerable<T> FindPartsNear<T>(Point p, double dist, SearchFlags srch, SearchInclusion overlap, SearchLayers layers)

result = diagramPanel.FindPartsNear(p, dist, srch, overlap, layers)

Find parts that are near a point.

p

a Point in model coordinates

dist

the distance, in model coordinates

srch

Which kinds of parts to include; a typical value might be SelectableParts.

overlap

The required geometric relationship with the part; the typical value is Inside.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

FindPartsWithin``1

internal IEnumerable<T> FindPartsWithin<T>(Geometry geo, SearchFlags srch, SearchInclusion overlap, SearchLayers layers)

result = diagramPanel.FindPartsWithin(geo, srch, overlap, layers)

Search all parts that are at inside a given geometry that meet certain criteria and return a collection of those that match.

geo

a Geometry in model coordinates

srch

Which kinds of parts to include; a typical value might be SelectableParts.

overlap

The required geometric relationship with the geometry; the typical value is Inside.

layers

The kinds of Layers to search in. For example, if you are looking for Nodes, using the value Nodes, this will speed up the search by ignoring layers containing Links.

Returns: a perhaps empty collection of elements of type

GetLayer``1

public T GetLayer<T>(string name)

result = diagramPanel.GetLayer(name)

Find a Layer of the given type with exactly the same Id as the given , or return a default layer of the given type.

name

InitializeLayers

protected virtual void InitializeLayers()

diagramPanel.InitializeLayers()

If there are no Layers in this panel's collection of Children, create the standard set of layers.

IsDoubleClick

public static bool IsDoubleClick(MouseButtonEventArgs e)

result = DiagramPanel.IsDoubleClick(e)

This predicate is true if the mouse button event represents a double-click.

e

IsUnoccupied

internal bool IsUnoccupied(Rect r, Predicate<Part> skip)

result = diagramPanel.IsUnoccupied(r, skip)

Returns true if there are any nodes within or intersecting the given rectangular region.

r

a Rect in model coordinates

skip

a predicate that should return true for nodes to be ignored when checking for collisions, usually the node in the document that you are considering moving; may be null to consider all non-temporary nodes

LineDown

public void LineDown()

diagramPanel.LineDown()

Increases the VerticalOffset by ScrollVerticalLineChange. (Implements IScrollInfo.)

LineLeft

public void LineLeft()

diagramPanel.LineLeft()

Decreases the HorizontalOffset by ScrollHorizontalLineChange. (Implements IScrollInfo.)

LineRight

public void LineRight()

diagramPanel.LineRight()

Increases the HorizontalOffset by ScrollHorizontalLineChange. (Implements IScrollInfo.)

LineUp

public void LineUp()

diagramPanel.LineUp()

Decreases the VerticalOffset by ScrollVerticalLineChange. (Implements IScrollInfo.)

MakeBitmap

public BitmapSource MakeBitmap(Size bmpsize, double dpi, Point viewpos, double scale)

result = diagramPanel.MakeBitmap(bmpsize, dpi, viewpos, scale)

Return a bitmap showing the parts in a particular area, drawn at a given scale.

bmpsize

the size of the resulting bitmap

dpi

bitmap resolution

viewpos

a Point in model coordinates

scale

a value of 1.0 is normal; the value must be a positive number. Smaller values produce smaller-looking parts.

Returns: a BitmapSource

MakeBitmap

public BitmapSource MakeBitmap()

result = diagramPanel.MakeBitmap()

Generates a bitmap displaying the parts currently visible in the diagram.

Returns: a BitmapSource

MakeBitmap

public BitmapSource MakeBitmap(Size bmpsize, double dpi, Point viewpos, double scale, Action<BitmapSource> act)

result = diagramPanel.MakeBitmap(bmpsize, dpi, viewpos, scale, act)

Return a bitmap showing the parts in a particular area, drawn at a given scale.

bmpsize

the size of the resulting bitmap, rounded up to the nearest integer

dpi

bitmap resolution

viewpos

a Point in model coordinates for the top-left corner of the area to be rendered

scale

a value of 1.0 is normal; the value must be a positive number. Smaller values produce smaller-looking parts.

act

an Action taking the BitmapSource to be performed later; this may be null

Returns: a BitmapSource

MakeVisible

public Rect MakeVisible(Visual visual, Rect rectangle)

result = diagramPanel.MakeVisible(visual, rectangle)

Scroll the diagram so that a given element () is in the viewport. (Implements IScrollInfo.)

visual

rectangle

The region of the element to bring into view. This value is normally Rect.Empty, meaning as much of the whole visual element as will fit into the viewport.

Returns: the result of calling Rect)

MeasureOverride

protected override Size MeasureOverride(Size availableSize)

result = diagramPanel.MeasureOverride(availableSize)

Measure each of the Layers in this panel.

availableSize

MouseWheelDown

public void MouseWheelDown()

diagramPanel.MouseWheelDown()

Increases the VerticalOffset by ScrollVerticalLineChange times the number of lines to scroll for mouse wheel rotation. (Implements IScrollInfo.)

MouseWheelLeft

public void MouseWheelLeft()

diagramPanel.MouseWheelLeft()

Decreases the HorizontalOffset by ScrollHorizontalLineChange times the number of lines to scroll for mouse wheel rotation. (Implements IScrollInfo.)

MouseWheelRight

public void MouseWheelRight()

diagramPanel.MouseWheelRight()

Increases the HorizontalOffset by ScrollHorizontalLineChange times the number of lines to scroll for mouse wheel rotation. (Implements IScrollInfo.)

MouseWheelUp

public void MouseWheelUp()

diagramPanel.MouseWheelUp()

Decreases the VerticalOffset by ScrollVerticalLineChange times the number of lines to scroll for mouse wheel rotation. (Implements IScrollInfo.)

OnBoundsAlignmentChanged

protected virtual void OnBoundsAlignmentChanged()

diagramPanel.OnBoundsAlignmentChanged()

This overridable method is called when the DiagramBounds or HorizontalContentAlignment or VerticalContentAlignment or Stretch properties change.

OnDiagramBoundsChanged

protected virtual void OnDiagramBoundsChanged(RoutedPropertyChangedEventArgs<Rect> e)

diagramPanel.OnDiagramBoundsChanged(e)

Raise the DiagramBoundsChanged event.

e

OnDragEnter

protected override void OnDragEnter(DragEventArgs e)

diagramPanel.OnDragEnter(e)

Handle a DragEnter event.

e

OnDragLeave

protected override void OnDragLeave(DragEventArgs e)

diagramPanel.OnDragLeave(e)

Handle a DragLeave event.

e

OnDragOver

protected override void OnDragOver(DragEventArgs e)

diagramPanel.OnDragOver(e)

Handle a DragOver event.

e

OnDrop

protected override void OnDrop(DragEventArgs e)

diagramPanel.OnDrop(e)

Handle a Drop event.

e

OnGiveFeedback

protected override void OnGiveFeedback(GiveFeedbackEventArgs e)

diagramPanel.OnGiveFeedback(e)

Handle a GiveFeedback event.

e

OnInitialLayoutCompleted

protected virtual void OnInitialLayoutCompleted()

diagramPanel.OnInitialLayoutCompleted()

This overridable method is called after the first layout has been performed and the DiagramBounds has been computed.

OnLayoutCompleted

protected virtual void OnLayoutCompleted()

diagramPanel.OnLayoutCompleted()

This overridable method is called after each layout has been performed and the DiagramBounds has been computed.

OnLostMouseCapture

protected override void OnLostMouseCapture(MouseEventArgs e)

diagramPanel.OnLostMouseCapture(e)

Handle the event when mouse capture is lost.

e

OnMouseDown

protected override void OnMouseDown(MouseButtonEventArgs e)

diagramPanel.OnMouseDown(e)

Handle a mouse down event.

e

OnMouseEnter

protected override void OnMouseEnter(MouseEventArgs e)

diagramPanel.OnMouseEnter(e)

Handle a mouse enter event.

e

OnMouseMove

protected override void OnMouseMove(MouseEventArgs e)

diagramPanel.OnMouseMove(e)

Handle a mouse move event.

e

OnMouseUp

protected override void OnMouseUp(MouseButtonEventArgs e)

diagramPanel.OnMouseUp(e)

Handle a mouse up event.

e

OnMouseWheel

protected override void OnMouseWheel(MouseWheelEventArgs e)

diagramPanel.OnMouseWheel(e)

Handle a mouse wheel event.

e

OnPositionChanged

protected virtual void OnPositionChanged(Point oldpos, Point newpos)

diagramPanel.OnPositionChanged(oldpos, newpos)

This overridable method is called when the Position changes.

oldpos

a Point in model coordinates

newpos

a Point in model coordinates

OnQueryContinueDrag

protected override void OnQueryContinueDrag(QueryContinueDragEventArgs e)

diagramPanel.OnQueryContinueDrag(e)

Handle a QueryContinueDrag event.

e

OnScaleChanged

protected virtual void OnScaleChanged(double oldscale, double newscale)

diagramPanel.OnScaleChanged(oldscale, newscale)

This overridable method is called when the Scale changes.

oldscale

a double

newscale

a double

OnSizeChanged

protected virtual void OnSizeChanged(Size oldsize, Size newsize)

diagramPanel.OnSizeChanged(oldsize, newsize)

This overridable method is called when the panel's actual size changes.

oldsize

a Size in element coordinates

newsize

a Size in element coordinates

OnViewportBoundsChanged

protected virtual void OnViewportBoundsChanged(RoutedPropertyChangedEventArgs<Rect> e)

diagramPanel.OnViewportBoundsChanged(e)

Raise the ViewportBoundsChanged event.

e

OnVisualParentChanged

protected override void OnVisualParentChanged(DependencyObject oldParent)

diagramPanel.OnVisualParentChanged(oldParent)

Every DiagramPanel should be in the visual tree of a Diagram.

oldParent

PageDown

public void PageDown()

diagramPanel.PageDown()

Increases the VerticalOffset by ViewportHeight. (Implements IScrollInfo.)

PageLeft

public void PageLeft()

diagramPanel.PageLeft()

Decreases the HorizontalOffset by ViewportWidth. (Implements IScrollInfo.)

PageRight

public void PageRight()

diagramPanel.PageRight()

Increases the HorizontalOffset by ViewportWidth. (Implements IScrollInfo.)

PageUp

public void PageUp()

diagramPanel.PageUp()

Decreases the VerticalOffset by ViewportHeight. (Implements IScrollInfo.)

PerformGesture

public void PerformGesture(GestureModifiers modifiers, Gesture action, Point down, Point up, Diagram other)

diagramPanel.PerformGesture(modifiers, action, down, up, other)

Simulate some mouse events.

modifiers

a GestureModifiers value, some combination of Control, Shift, and Alt

action

a Gesture value, typically MouseLeftButton; a value of None does nothing

down

the Point in model coordinates for the mouse down event; this value must be within the ViewportBounds

up

the Point in model coordinates for the mouse up event; this value must be within the ViewportBounds

other

The Diagram where the mouse up occurs. If this is different from this panel's Diagram, a simulated drag-and-drop will occur. (This does not use real Windows drag-and-drop in WPF.) This may be null to use this panel's diagram, thus keeping the whole gesture within this one diagram.

SetHorizontalOffset

public void SetHorizontalOffset(double offset)

diagramPanel.SetHorizontalOffset(offset)

Change the value of HorizontalOffset by changing the value of Position. (Implements IScrollInfo.)

offset

SetScaleAndPosition

public void SetScaleAndPosition(double newscale, Point newpos, int animationtime, Action act)

diagramPanel.SetScaleAndPosition(newscale, newpos, animationtime, act)

Set the Scale and Position properties with animation.

newscale

the new positive double value for Scale

newpos

the new Point value for Position

animationtime

a time in milliseconds; if a very short time, no animation occurs and the properties are simply set

act

an Action to perform after the animation is finished; null to do nothing afterwards

SetVerticalOffset

public void SetVerticalOffset(double offset)

diagramPanel.SetVerticalOffset(offset)

Change the value of VerticalOffset by changing the value of Position. (Implements IScrollInfo.)

offset

StopAutoScroll

public void StopAutoScroll()

diagramPanel.StopAutoScroll()

Stop any ongoing auto-scroll action.

TransformModelToView

public Point TransformModelToView(Point p)

result = diagramPanel.TransformModelToView(p)

Convert a Point in model coordinates to element coordinates.

p

TransformViewToModel

public Point TransformViewToModel(Point p)

result = diagramPanel.TransformViewToModel(p)

Convert a Point in element coordinates to model coordinates.

p

UpdateDiagramBounds

public void UpdateDiagramBounds()

diagramPanel.UpdateDiagramBounds()

Request that the DiagramBounds value be updated, with a call to ComputeDiagramBounds.

ZoomToFit

public void ZoomToFit()

diagramPanel.ZoomToFit()

Change the Scale so that everything within the DiagramBounds fits within the viewport.

ZoomToFit

public void ZoomToFit(StretchPolicy policy, Action afterwards)

diagramPanel.ZoomToFit(policy, afterwards)

Change the Scale so that everything within the DiagramBounds fits within the viewport.

policy

normally a value of Uniform, but may be UniformToFill

afterwards

an Action to be performed after the animation is finished; may be null

DiagramBoundsChanged

public event RoutedPropertyChangedEventHandler<Rect> DiagramBoundsChanged

diagramPanel.DiagramBoundsChanged += handler

This event occurs when the diagram's bounds or alignment changes.

ViewportBoundsChanged

public event RoutedPropertyChangedEventHandler<Rect> ViewportBoundsChanged

diagramPanel.ViewportBoundsChanged += handler

This event occurs when the viewport changes.

AutoScrollDelayProperty

public static readonly DependencyProperty AutoScrollDelayProperty

value = DiagramPanel.AutoScrollDelayProperty

Identifies the AutoScrollDelay dependency property.

AutoScrollRegionProperty

public static readonly DependencyProperty AutoScrollRegionProperty

value = DiagramPanel.AutoScrollRegionProperty

Identifies the AutoScrollRegion dependency property.

AutoScrollTimeProperty

public static readonly DependencyProperty AutoScrollTimeProperty

value = DiagramPanel.AutoScrollTimeProperty

Identifies the AutoScrollTime dependency property.

CanHorizontallyScrollProperty

public static readonly DependencyProperty CanHorizontallyScrollProperty

value = DiagramPanel.CanHorizontallyScrollProperty

Identifies the CanHorizontallyScroll dependency property.

CanVerticallyScrollProperty

public static readonly DependencyProperty CanVerticallyScrollProperty

value = DiagramPanel.CanVerticallyScrollProperty

Identifies the CanVerticallyScroll dependency property.

DiagramBoundsChangedEvent

public static readonly RoutedEvent DiagramBoundsChangedEvent

value = DiagramPanel.DiagramBoundsChangedEvent

Identifies the DiagramBoundsChanged routed event.

DiagramBoundsProperty

public static readonly DependencyProperty DiagramBoundsProperty

value = DiagramPanel.DiagramBoundsProperty

Identifies the DiagramBounds dependency property.

FixedBoundsProperty

public static readonly DependencyProperty FixedBoundsProperty

value = DiagramPanel.FixedBoundsProperty

Identifies the FixedBounds dependency property.

HorizontalContentAlignmentProperty

public static readonly DependencyProperty HorizontalContentAlignmentProperty

value = DiagramPanel.HorizontalContentAlignmentProperty

Identifies the HorizontalContentAlignment dependency property.

MaximumScaleProperty

public static readonly DependencyProperty MaximumScaleProperty

value = DiagramPanel.MaximumScaleProperty

Identifies the MaximumScale dependency property.

MinimumScaleProperty

public static readonly DependencyProperty MinimumScaleProperty

value = DiagramPanel.MinimumScaleProperty

Identifies the MinimumScale dependency property.

PaddingProperty

public static readonly DependencyProperty PaddingProperty

value = DiagramPanel.PaddingProperty

Identifies the Padding dependency property.

PositionProperty

public static readonly DependencyProperty PositionProperty

value = DiagramPanel.PositionProperty

Identifies the Position dependency property.

ScaleProperty

public static readonly DependencyProperty ScaleProperty

value = DiagramPanel.ScaleProperty

Identifies the Scale dependency property.

ScrollHorizontalLineChangeProperty

public static readonly DependencyProperty ScrollHorizontalLineChangeProperty

value = DiagramPanel.ScrollHorizontalLineChangeProperty

Identifies the ScrollHorizontalLineChange dependency property.

ScrollOwnerProperty

public static readonly DependencyProperty ScrollOwnerProperty

value = DiagramPanel.ScrollOwnerProperty

Identifies the ScrollOwner dependency property.

ScrollVerticalLineChangeProperty

public static readonly DependencyProperty ScrollVerticalLineChangeProperty

value = DiagramPanel.ScrollVerticalLineChangeProperty

Identifies the ScrollVerticalLineChange dependency property.

StretchProperty

public static readonly DependencyProperty StretchProperty

value = DiagramPanel.StretchProperty

Identifies the Stretch dependency property.

VerticalContentAlignmentProperty

public static readonly DependencyProperty VerticalContentAlignmentProperty

value = DiagramPanel.VerticalContentAlignmentProperty

Identifies the VerticalContentAlignment dependency property.

ViewportBoundsChangedEvent

public static readonly RoutedEvent ViewportBoundsChangedEvent

value = DiagramPanel.ViewportBoundsChangedEvent

Identifies the ViewportBoundsChanged routed event.

ZoomPointProperty

public static readonly DependencyProperty ZoomPointProperty

value = DiagramPanel.ZoomPointProperty

Identifies the ZoomPoint dependency property.

ZoomTimeProperty

public static readonly DependencyProperty ZoomTimeProperty

value = DiagramPanel.ZoomTimeProperty

Identifies the ZoomTime dependency property.