Part

StockSharp.Xaml.Diagram.GXDiagram

A Part is an item in a Diagram's Panel's Layer, corresponding to data representing a node or a link.

Inherits: ContentPresenter

Properties

Adornments : IEnumerable<Adornment>

Get the collection of Adornments associated with this part.

Bounds : Rect

Gets the bounding rectangle of this object, in model coordinates.

Category : string

Gets a string identifying the kind of Node or Group or Link or the purpose of the Adornment.

ContainingGroups : IEnumerable<Group>

Get a collection of Groups of which this part is a member.

ContainingSubGraph : Group

Get the one Group (a "subgraph") that this part is a member of, if any.

Copyable : bool

Gets or sets whether the user may copy this part.

Data : object

Gets or sets the data that this part is bound to.

Deletable : bool

Gets or sets whether the user may remove this part from the diagram.

Diagram : Diagram

Gets the Diagram that this part is in.

DragOverSnapCellSize : Size

Gets or sets the size of the grid cell used when snapping during a drag.

DragOverSnapCellSpot : Spot

Gets or sets the Spot that specifies what point in the grid cell dragged parts snap to.

DragOverSnapEnabled : bool

Gets or sets whether dragging any parts over this part causes their position to be snapped to grid points.

DragOverSnapOrigin : Point

Gets or sets the snapping grid's coordinates origin or offset.

DropOntoBehavior : DropOntoBehavior

Gets or sets the behavior when the DraggingTool drops the selection after a move or copy.

Editable : bool

Gets or sets whether the user may in-place text edit this part.

Groupable : bool

Gets or sets whether the user may group this part.

InDiagramBounds : bool

Gets or sets whether this part is included or is ignored in the computation of the diagram bounds, by ComputeDiagramBounds.

IsBoundToData : bool

This is true if this part is bound to data.

IsDropOntoAccepted : bool

Gets or sets whether the mouse is over this part during a DraggingTool drag and DropOntoEnabled is true.

IsSelected : bool

Gets or sets whether this part is selected.

IsTopLevel : bool

This property is true when this part is not member of any group node nor is it a label node for a link.

Layer : Layer

Gets the Layer that this part is in.

LayerName : string

Gets or sets the name of the Layer that this part should be in.

LayoutId : string

Gets or sets the Id which identifies the layout(s) in a MultiLayout in which this part participates.

Model : IDiagramModel

Gets the IDiagramModel that holds this part's data.

Movable : bool

Gets or sets whether the user may move this part.

Panel : DiagramPanel

Gets the DiagramPanel that this part is in.

Printable : bool

Gets or sets whether the user may print this part.

Reshapable : bool

Gets or sets whether the user may reshape this part.

Resizable : bool

Gets or sets whether the user may resize this part.

ResizeAdornmentTemplate : DataTemplate

Gets or sets the DataTemplate used by the ResizingTool when this part is selected.

ResizeCellSize : Size

Gets or sets the multiple used to resize.

ResizeElementName : string

Gets or sets the name of the element that gets a resize adornment when selected.

Rotatable : bool

Gets or sets whether the user may rotate this part.

RotateAdornmentTemplate : DataTemplate

Gets or sets the DataTemplate used by the RotatingTool when this part is selected.

Selectable : bool

Gets or sets whether the user may select this part.

SelectionAdorned : bool

Gets or sets whether the SelectionElement gets a selection adornment when this part is selected.

SelectionAdornmentTemplate : DataTemplate

Gets or sets the DataTemplate used to create the selection adornment for this part when it is selected.

SelectionElement : FrameworkElement

Gets the FrameworkElement that gets a selection adornment when selected and that may be resized/reshaped/rotated.

SelectionElementName : string

Gets or sets the name of the element that gets any selection adornment when selected and that may be resized/reshaped/rotated.

Text : string

Gets or sets the Text string representing this part.

Visible : bool

Gets or sets whether the user may see or pick this part.

VisualElement : FrameworkElement

Get the root visual element used in the rendering of this part.

Methods

CanCopy() : bool

This predicate is true if the user may copy this part.

Returns: Return true if this part is Copyable, if this part's layer's AllowCopy is true, and if this part's diagram's AllowCopy is true.

CanDelete() : bool

This predicate is true if the user may delete this part.

Returns: Return true if this part is Deletable, if this part's layer's AllowDelete is true, and if this part's diagram's AllowDelete is true.

CanEdit() : bool

This predicate is true if the user may in-place edit the text of this part.

Returns: Return true if this part is Editable, if this part's layer's AllowEdit is true, and if this part's diagram's AllowEdit is true.

CanGroup() : bool

This predicate is true if the user may group this part.

Returns: Return true if this part is Groupable, if this part's layer's AllowGroup is true, and if this part's diagram's AllowGroup is true.

CanMove() : bool

This predicate is true if the user may move this part.

Returns: Return true if this part is Movable, if this part's layer's AllowMove is true, and if this part's diagram's AllowMove is true.

CanPrint() : bool

This predicate is true if the user may print this part.

Returns: Return true if this part is Printable, if this part's layer's AllowPrint is true, and if this part's diagram's AllowPrint is true.

CanReshape() : bool

This predicate is true if the user may reshape this part.

Returns: Return true if this part is Reshapable, if this part's layer's AllowReshape is true, and if this part's diagram's AllowReshape is true.

CanResize() : bool

This predicate is true if the user may resize this part.

Returns: Return true if this part is Resizable, if this part's layer's AllowResize is true, and if this part's diagram's AllowResize is true.

CanRotate() : bool

This predicate is true if the user may rotate this part.

Returns: Return true if this part is Rotatable, if this part's layer's AllowRotate is true, and if this part's diagram's AllowRotate is true.

CanSelect() : bool

This predicate is true if the user may select this part.

Returns: Return true if this part is Selectable, if this part's layer's AllowSelect is true, and if this part's diagram's AllowSelect is true.

FindAncestor``1(Visual)

This static method takes an element and walks up the visual tree looking for an element of type .

elt

Returns: the if it is of type , or else one of its parent visuals of that type, or else null if no such element was found

FindCommonContainingSubGraph(Part) : Group

Find the group that contains both this part and another one.

other

Returns: This returns null if the two parts are unrelated in the hierarchy of part membership. If non-null, the result is a Group.

FindDescendant(Predicate<FrameworkElement>) : FrameworkElement

Search the visual tree for this part and return the first one for which the given predicate is true.

pred: a predicate of type Predicate<FrameworkElement>

Returns: a FrameworkElement or null

FindNamedDescendant(string) : FrameworkElement

Search the visual tree for this part and return the first one that has a Name exactly matching the given .

name

Returns: a FrameworkElement, or null

FindTopLevelPart() : Part

Find the top-level Part for this part.

Returns: This may often return itself, and should not return null.

GetAdornment(string) : Adornment

Find an Adornment associated with this part that has a particular category.

category: this must be a non-null string

Returns: null if this no such adornment

GetAngle(UIElement) : double

Get the angle of an element in the visual tree of this part.

elt: a UIElement, an element in the visual tree of this Part

Returns: an angle in degrees, starting at zero in the direction of the positive X axis

GetCopyable(DependencyObject) : bool

Gets the value of the Copyable attached dependency property.

d: the root VisualElement

GetDeletable(DependencyObject) : bool

Gets the value of the Deletable attached dependency property.

d: the root VisualElement

GetDragOverSnapCellSize(DependencyObject) : Size

Gets the value of the DragOverSnapCellSize attached dependency property.

d

GetDragOverSnapCellSpot(DependencyObject) : Spot

Gets the value of the DragOverSnapCellSpot attached dependency property.

d

GetDragOverSnapEnabled(DependencyObject) : bool

Gets the value of the DragOverSnapEnabled attached dependency property.

d

GetDragOverSnapOrigin(DependencyObject) : Point

Gets the value of the DragOverSnapOrigin attached dependency property.

d

GetDropOntoBehavior(DependencyObject) : DropOntoBehavior

Gets the value of the DropOntoBehavior attached dependency property.

d

GetEditable(DependencyObject) : bool

Gets the value of the Editable attached dependency property.

d: the root VisualElement

GetEffectiveSize(FrameworkElement) : Size

Get the actual size of an element, or its desired size if it hasn't been arranged yet, without measuring or arranging the element.

e: an element that is in the visual tree of this part

GetElementBounds(FrameworkElement) : Rect

Compute the bounds in model coordinates of a FrameworkElement that is within the visual tree of this part.

elt: a FrameworkElement within this part

Returns: a Rect in model coordinates, taking any transforms into account; if the part has not yet been positioned, the (X,Y) position will be (NaN, NaN).

GetElementPoint(FrameworkElement, Spot) : Point

Compute the point in model coordinates of a in a FrameworkElement that is within the visual tree of this part.

elt: a FrameworkElement within this part
spot: a Spot; if the spot IsNoSpot assume Center instead.

Returns: a Point in model coordinates, taking any transforms into account; if the part has not yet been positioned, the (X,Y) position will be (NaN, NaN).

GetGroupable(DependencyObject) : bool

Gets the value of the Groupable attached dependency property.

d: the root VisualElement

GetInDiagramBounds(DependencyObject) : bool

Gets the value of the InDiagramBounds attached dependency property.

d: the root VisualElement

GetLayerName(DependencyObject) : string

Gets the value of the LayerName attached dependency property.

d: the root VisualElement

GetLayoutId(DependencyObject) : string

Gets the value of the LayoutId attached dependency property.

d: the root VisualElement

GetMovable(DependencyObject) : bool

Gets the value of the Movable attached dependency property.

d: the root VisualElement

GetPrintable(DependencyObject) : bool

Gets the value of the Printable attached dependency property.

d: the root VisualElement

GetRelativeElementPoint(FrameworkElement, Spot) : Point

Compute the point of a in a FrameworkElement that is within the visual tree of this part, relative to the top-left corner of this part.

elt: a FrameworkElement within this part
spot: a Spot; if the spot IsNoSpot assume Center instead.

Returns: a Point in model coordinates, taking any transforms into account, assuming the bounds are at (0,0)

GetReshapable(DependencyObject) : bool

Gets the value of the Reshapable attached dependency property.

d: the root VisualElement

GetResizable(DependencyObject) : bool

Gets the value of the Resizable attached dependency property.

d: the root VisualElement

GetResizeAdornmentTemplate(DependencyObject) : DataTemplate

Gets the value of the ResizeAdornmentTemplate attached dependency property.

d: the root VisualElement

GetResizeCellSize(DependencyObject) : Size

Gets the value of the ResizeCellSize attached dependency property.

d

GetResizeElementName(DependencyObject) : string

Gets the value of the ResizeElementName attached dependency property.

d: the root VisualElement

GetRotatable(DependencyObject) : bool

Gets the value of the Rotatable attached dependency property.

d: the root VisualElement

GetRotateAdornmentTemplate(DependencyObject) : DataTemplate

Gets the value of the RotateAdornmentTemplate attached dependency property.

d: the root VisualElement

GetSelectable(DependencyObject) : bool

Gets the value of the Selectable attached dependency property.

d: the root VisualElement

GetSelectionAdorned(DependencyObject) : bool

Gets the value of the SelectionAdorned attached dependency property.

d: the root VisualElement

GetSelectionAdornmentTemplate(DependencyObject) : DataTemplate

Gets the value of the SelectionAdornmentTemplate attached dependency property.

d: the root VisualElement

GetSelectionElementName(DependencyObject) : string

Gets the value of the SelectionElementName attached dependency property.

d: the root VisualElement

GetText(DependencyObject) : string

Gets the value of the Text attached dependency property.

d: the root VisualElement

GetTextAspectRatio(DependencyObject) : double

Gets the value of the TextAspectRatioProperty attached dependency property.

d: any TextBlock within the visual tree of the part

Returns: By default this returns 1.5

GetTextEditable(DependencyObject) : bool

Gets the value of the TextEditableProperty attached dependency property.

d: any TextBlock within the visual tree of the part

Returns: By default this returns false

GetTextEditAdornmentTemplate(DependencyObject) : DataTemplate

Gets the value of the TextEditAdornmentTemplateProperty attached dependency property.

d: any TextBlock within the visual tree of the part

Returns: A DataTemplate, by default null. A null value causes the TextEditingTool to use a default template that uses a TextBox.

GetTextEditor(DependencyObject) : ITextEditor

Gets the value of the TextEditorProperty attached dependency property.

d: any TextBlock within the visual tree of the part

Returns: An ITextEditor. By default this returns null, which causes the TextEditingTool to use an editor that works with the default DependencyObject) that uses a TextBox.

GetVisible(DependencyObject) : bool

Gets the value of the Visible attached dependency property.

d: the root VisualElement

InvalidateRelationships()

Declare that this part and any links connected to this node or any groups related to this part are now invalid and should be re-computed, re-measured, and re-arranged.

IsContainedBy(Part) : bool

This predicate is true if this part is a member of the given .

part

IsVisibleElement(UIElement) : bool

This static predicate is true if the given 's Visibility is Visible and each of its visual parents are also visible elements, up to the containing Part.

elt

MakeAdornment(FrameworkElement, DataTemplate) : Adornment

Create an Adornment for a particular FrameworkElement using a given DataTemplate.

selelt: must not be null
templ: must not be null

OnApplyTemplate()

Initialize Visibility according to the value of Visible.

OnIsDropOntoAcceptedChanged()

This virtual method is called whenever the value of IsDropOntoAccepted has changed.

OnIsSelectedChanged()

This virtual method is called whenever this part is added or removed from the collection of SelectedParts.

OnVisualParentChanged(DependencyObject)

Every Part's visual parent must be a Layer, if it has any parent.

oldParent

Remeasure()

Re-measure and re-arrange this part in the near future.

RemeasureNow()

Re-measure and re-arrange this part right now, even if it's not ready.

SetAdornment(string, Adornment)

Associate an Adornment with this part.

category: this must be a non-null string
ad

SetAngle(UIElement, double)

This calls Spot) to rotate the given element about its RotationSpot, or about the center of the element if this is not a Node.

elt: any UIElement within the visual tree of this Part
angle: a double between 0 and 360 degrees

SetAngle(UIElement, double, Spot)

Set the angle of an element in the visual tree of this part by creating or modifying a transform on that element.

elt: the UIElement to be rotated, an element in the visual tree of this Part
angle: a double between 0 and 360 degrees
focus: the spot of the rotation point; normally Spot.Center; any offset is ignored

SetCopyable(DependencyObject, bool)

Sets the value of the Copyable attached dependency property.

d: the root VisualElement
v

SetDeletable(DependencyObject, bool)

Sets the value of the Deletable attached dependency property.

d: the root VisualElement
v

SetDragOverSnapCellSize(DependencyObject, Size)

Sets the value of the DragOverSnapCellSize attached dependency property.

d
v

SetDragOverSnapCellSpot(DependencyObject, Spot)

Sets the value of the DragOverSnapCellSpot attached dependency property.

d
v

SetDragOverSnapEnabled(DependencyObject, bool)

Sets the value of the DragOverSnapEnabled attached dependency property.

d
v

SetDragOverSnapOrigin(DependencyObject, Point)

Sets the value of the DragOverSnapOrigin attached dependency property.

d
v

SetDropOntoBehavior(DependencyObject, DropOntoBehavior)

Sets the value of the DropOntoBehavior attached dependency property.

d
v

SetEditable(DependencyObject, bool)

Sets the value of the Editable attached dependency property.

d: the root VisualElement
v

SetGroupable(DependencyObject, bool)

Sets the value of the Groupable attached dependency property.

d: the root VisualElement
v

SetInDiagramBounds(DependencyObject, bool)

Sets the value of the InDiagramBounds attached dependency property.

d: the root VisualElement
v

SetLayerName(DependencyObject, string)

Sets the value of the LayerName attached dependency property.

d: the root VisualElement
v

SetLayoutId(DependencyObject, string)

Sets the value of the LayoutId attached dependency property.

d: the root VisualElement
v

SetMovable(DependencyObject, bool)

Sets the value of the Movable attached dependency property.

d: the root VisualElement
v

SetPrintable(DependencyObject, bool)

Sets the value of the Printable attached dependency property.

d: the root VisualElement
v

SetReshapable(DependencyObject, bool)

Sets the value of the Reshapable attached dependency property.

d: the root VisualElement
v

SetResizable(DependencyObject, bool)

Sets the value of the Resizable attached dependency property.

d: the root VisualElement
v

SetResizeAdornmentTemplate(DependencyObject, DataTemplate)

Sets the value of the ResizeAdornmentTemplate attached dependency property.

d: the root VisualElement
v

SetResizeCellSize(DependencyObject, Size)

Sets the value of the ResizeCellSize attached dependency property.

d
v

SetResizeElementName(DependencyObject, string)

Sets the value of the ResizeElementName attached dependency property.

d: the root VisualElement
v

SetRotatable(DependencyObject, bool)

Sets the value of the Rotatable attached dependency property.

d: the root VisualElement
v

SetRotateAdornmentTemplate(DependencyObject, DataTemplate)

Sets the value of the RotateAdornmentTemplate attached dependency property.

d: the root VisualElement
v

SetSelectable(DependencyObject, bool)

Sets the value of the Selectable attached dependency property.

d: the root VisualElement
v

SetSelectionAdorned(DependencyObject, bool)

Sets the value of the SelectionAdorned attached dependency property.

d: the root VisualElement
v

SetSelectionAdornmentTemplate(DependencyObject, DataTemplate)

Sets the value of the SelectionAdornmentTemplate attached dependency property.

d: the root VisualElement
v

SetSelectionElementName(DependencyObject, string)

Sets the value of the SelectionElementName attached dependency property.

d: the root VisualElement
v

SetText(DependencyObject, string)

Sets the value of the Text attached dependency property.

d: the root VisualElement
v

SetTextAspectRatio(DependencyObject, double)

Sets the value of the TextAspectRatioProperty attached dependency property.

d: any TextBlock within the visual tree of the part
v: a positive value that is the desired ratio of width to height

SetTextEditable(DependencyObject, bool)

Sets the value of the TextEditableProperty attached dependency property.

d: any TextBlock within the visual tree of the part
v

SetTextEditAdornmentTemplate(DependencyObject, DataTemplate)

Sets the value of the TextEditAdornmentTemplateProperty attached dependency property.

d: any TextBlock within the visual tree of the part
v

SetTextEditor(DependencyObject, ITextEditor)

Sets the value of the TextEditorProperty attached dependency property.

d: any TextBlock within the visual tree of the part
v: an ITextEditor

SetVisible(DependencyObject, bool)

Sets the value of the Visible attached dependency property.

d: the root VisualElement
v

UpdateAdornments()

Maybe create adornments if needed, or remove them if not.

UpdateSelectionAdornment()

This is responsible for creating a selection adornment for this part if this part IsSelected and if SelectionAdorned is true.

UpdateToolAdornments()

This is responsible for creating any tool adornments for this part.

Fields

BoundsProperty : DependencyProperty

Identifies the read-only Bounds dependency property.

CategoryProperty : DependencyProperty

Identifies the Category dependency property.

CopyableProperty : DependencyProperty

Identifies the Copyable attached dependency property that must only be on the root VisualElement.

DeletableProperty : DependencyProperty

Identifies the Deletable attached dependency property that must only be on the root VisualElement.

DragOverSnapCellSizeProperty : DependencyProperty

Identifies the DragOverSnapCellSize attached dependency property that must only be on the root VisualElement.

DragOverSnapCellSpotProperty : DependencyProperty

Identifies the DragOverSnapCellSpot attached dependency property that must only be on the root VisualElement.

DragOverSnapEnabledProperty : DependencyProperty

Identifies the DragOverSnapEnabled attached dependency property that must only be on the root VisualElement.

DragOverSnapOriginProperty : DependencyProperty

Identifies the DragOverSnapOrigin attached dependency property that must only be on the root VisualElement.

DropOntoBehaviorProperty : DependencyProperty

Identifies the DropOntoBehavior attached dependency property that must only be on the root VisualElement.

EditableProperty : DependencyProperty

Identifies the Editable attached dependency property that must only be on the root VisualElement.

GroupableProperty : DependencyProperty

Identifies the Groupable attached dependency property that must only be on the root VisualElement.

InDiagramBoundsProperty : DependencyProperty

Identifies the InDiagramBounds attached dependency property that must only be on the root VisualElement.

IsDropOntoAcceptedProperty : DependencyProperty

Identifies the IsDropOntoAccepted dependency property.

IsSelectedProperty : DependencyProperty

Identifies the IsSelected dependency property.

LayerNameProperty : DependencyProperty

Identifies the LayerName attached dependency property that must only be on the root VisualElement.

LayoutIdProperty : DependencyProperty

Identifies the LayoutId attached dependency property that must only be on the root VisualElement.

MovableProperty : DependencyProperty

Identifies the Movable attached dependency property that must only be on the root VisualElement.

PrintableProperty : DependencyProperty

Identifies the Printable attached dependency property that must only be on the root VisualElement.

ReshapableProperty : DependencyProperty

Identifies the Reshapable attached dependency property that must only be on the root VisualElement.

ResizableProperty : DependencyProperty

Identifies the Resizable attached dependency property that must only be on the root VisualElement.

ResizeAdornmentTemplateProperty : DependencyProperty

Identifies the ResizeAdornmentTemplate attached dependency property that must only be on the root VisualElement.

ResizeCellSizeProperty : DependencyProperty

Identifies the ResizeCellSize attached dependency property that must only be on the root VisualElement.

ResizeElementNameProperty : DependencyProperty

Identifies the ResizeElementName attached dependency property that must only be on the root VisualElement.

RotatableProperty : DependencyProperty

Identifies the Rotatable attached dependency property that must only be on the root VisualElement.

RotateAdornmentTemplateProperty : DependencyProperty

Identifies the RotateAdornmentTemplate attached dependency property that must only be on the root VisualElement.

SelectableProperty : DependencyProperty

Identifies the Selectable attached dependency property that must only be on the root VisualElement.

SelectionAdornedProperty : DependencyProperty

Identifies the SelectionAdorned attached dependency property that must only be on the root VisualElement.

SelectionAdornmentTemplateProperty : DependencyProperty

Identifies the SelectionAdornmentTemplate attached dependency property that must only be on the root VisualElement.

SelectionElementNameProperty : DependencyProperty

Identifies the SelectionElementName attached dependency property that must only be on the root VisualElement.

TextAspectRatioProperty : DependencyProperty

Identifies the TextAspectRatio attached dependency property that may be on any TextBlock.

TextEditableProperty : DependencyProperty

Identifies the TextEditable attached dependency property that may be on any TextBlock.

TextEditAdornmentTemplateProperty : DependencyProperty

Identifies the TextEditAdornmentTemplate attached dependency property that may be on any TextBlock.

TextEditorProperty : DependencyProperty

Identifies the TextEditor attached dependency property that may be on any TextBlock.

TextProperty : DependencyProperty

Identifies the Text attached dependency property that must only be on the root VisualElement.

VisibleProperty : DependencyProperty

Identifies the Visible attached dependency property that must only be on the root VisualElement.