	Name	Description
	ChangedAbstractLink	This is a GoObject.`Changed` subhint.
	ChangedAdjustingStyle	This is a GoObject.`Changed` subhint.
	ChangedAvoidsNodes	This is a GoObject.`Changed` subhint.
	ChangedDraggableOrthogonalSegments	This is a GoObject.`Changed` subhint.
	ChangedFromPort	This is a GoObject.`Changed` subhint.
	ChangedLinkUserFlags	This is a GoObject.`Changed` subhint.
	ChangedLinkUserObject	This is a GoObject.`Changed` subhint.
	ChangedOrthogonal	This is a GoObject.`Changed` subhint.
	ChangedPartID	This is a GoObject.`Changed` subhint.
	ChangedRelinkable	This is a GoObject.`Changed` subhint.
	ChangedToolTipText	This is a GoObject.`Changed` subhint.
	ChangedToPort	This is a GoObject.`Changed` subhint.
	RelinkableFromHandle	This is a special handle ID.
	RelinkableToHandle	This is a special handle ID.

	Name	Description
	AbstractLink	Get the object acting as the IGoLink.
	AdjustingStyle	Gets or sets how CalculateStroke behaves.
	AutoRescales	Gets or sets whether this object automatically rescales its appearance when its size changes. (Inherited from Northwoods.GoWeb.GoObject)
	AvoidsNodes	Gets or sets whether the link's path tries to avoid other nodes.
	Bottom	Gets or sets this object's bottom coordinate. (Inherited from Northwoods.GoWeb.GoObject)
	Bounds	Whenever the size and/or position is changed, we clear out any cached data. (Inherited from Northwoods.GoWeb.GoShape)
	Brush	Gets or sets the brush used to fill the outline of this shape. (Inherited from Northwoods.GoWeb.GoShape)
	BrushColor	Gets or sets the main or background color of the brush. (Inherited from Northwoods.GoWeb.GoShape)
	BrushFocusScales	Gets or sets the size of the focus area for path gradients, as normalized fractions of the size of the shape. (Inherited from Northwoods.GoWeb.GoShape)
	BrushForeColor	Gets or sets the foreground color of a brush. (Inherited from Northwoods.GoWeb.GoShape)
	BrushMidColor	Gets or sets the middle color of a gradient brush. (Inherited from Northwoods.GoWeb.GoShape)
	BrushMidFraction	Gets or sets the fractional distance between the end colors at which the middle color is drawn. (Inherited from Northwoods.GoWeb.GoShape)
	BrushPoint	Gets or sets the end point for linear gradients or the focus point for path gradients, as normalized fractions of the size of the shape. (Inherited from Northwoods.GoWeb.GoShape)
	BrushStartPoint	Gets or sets the start point for linear gradients, as normalized fractions of the size of the shape. (Inherited from Northwoods.GoWeb.GoShape)
	BrushStyle	Gets or sets the kind of brush used by this shape. (Inherited from Northwoods.GoWeb.GoShape)
	Copyable	Gets or sets whether the user can copy this object. (Inherited from Northwoods.GoWeb.GoObject)
	Curviness	Gets how rounded the corners are for adjacent line segments when the stroke style is RoundedLine. (Inherited from Northwoods.GoWeb.GoStroke)
	Deletable	Gets or sets whether the user can delete this object. (Inherited from Northwoods.GoWeb.GoObject)
	Document	Gets the document that this object belongs to, or null if this is not in a layer or if this is in a view layer. (Inherited from Northwoods.GoWeb.GoObject)
	DraggableOrthogonalSegments	Gets or sets whether the user may drag a resizable segment of an Orthogonal link.
	DraggingObject	Gets the object that will be dragged instead of this selected object. (Inherited from Northwoods.GoWeb.GoObject)
	DragsNode	Gets or sets whether this object, when selected and a child of a group, and when dragged, drags the parent node instead. (Inherited from Northwoods.GoWeb.GoObject)
	Editable	Gets or sets whether the user can edit this object. (Inherited from Northwoods.GoWeb.GoObject)
	FirstPickIndex	Overridden. Return the index of the first stroke point to get a selection handle.
	FromArrow	Gets or sets whether an arrow is drawn at the start of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	FromArrowAnchorPoint	Gets a point which specifies the direction the arrow is coming from. (Inherited from Northwoods.GoWeb.GoStroke)
	FromArrowEndPoint	Gets the point at the tip of the arrowhead at the start of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	FromArrowFilled	Gets or sets whether the arrowhead at the start of this stroke is filled with the brush. (Inherited from Northwoods.GoWeb.GoStroke)
	FromArrowLength	Gets or sets the length of the arrowhead at the start of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	FromArrowShaftLength	Gets or sets the length of the shaft of the arrowhead at the start of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	FromArrowStyle	Gets or sets the general shape of an arrowhead at the start of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	FromArrowWidth	Gets or sets the maximum width of the arrowhead at the start of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	FromNode	Gets the node that the link is coming from.
	FromPort	Gets or sets the port that the link is coming from.
	GoObject	Returns itself as a GoObject.
	Height	Gets or sets this object's height. (Inherited from Northwoods.GoWeb.GoObject)
	Highlight	Gets or sets whether this stroke displays a highlight along its path. (Inherited from Northwoods.GoWeb.GoStroke)
	HighlightPen	Gets or sets the pen used to draw a highlight for this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	HighlightPenColor	Gets or sets the color of the GoStroke.HighlightPen. (Inherited from Northwoods.GoWeb.GoStroke)
	HighlightPenWidth	Gets or sets the width of the line drawn as the highlight for the stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	HighlightWhenSelected	Gets or sets whether the highlight is shown when this stroke becomes selected. (Inherited from Northwoods.GoWeb.GoStroke)
	IsSelfLoop	Return true when both ports are the same.
	LastPickIndex	Overridden. Return the index of the last stroke point to get a selection handle.
	Layer	Gets the layer to which this object belongs. (Inherited from Northwoods.GoWeb.GoObject)
	Left	Gets or sets this object's left coordinate, the X position. (Inherited from Northwoods.GoWeb.GoObject)
	Location	Gets or sets this object's natural position. (Inherited from Northwoods.GoWeb.GoObject)
	Movable	Gets or sets whether the user can move this object. (Inherited from Northwoods.GoWeb.GoObject)
	Observers	Gets an enumerator over the list of observer objects of this object. (Inherited from Northwoods.GoWeb.GoObject)
	Orthogonal	Gets or sets whether the segments of the link are always horizontal or vertical.
	Parent	Gets the parent group for this object. (Inherited from Northwoods.GoWeb.GoObject)
	PartID	Gets or sets the unique ID of this part within its document.
	Pen	Gets or sets the pen used to draw the outline of this shape. (Inherited from Northwoods.GoWeb.GoShape)
	PenColor	Gets or sets the color of the pen. (Inherited from Northwoods.GoWeb.GoShape)
	PenWidth	Gets or sets the width of the pen. (Inherited from Northwoods.GoWeb.GoShape)
	PickMargin	Gets the approximate width of the region across the stroke, in addition to the pen width, that is still considered "inside" the stroke when picking. (Inherited from Northwoods.GoWeb.GoStroke)
	PointsCount	Gets the number of points in this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	Printable	Gets or sets whether the view can print this object. (Inherited from Northwoods.GoWeb.GoObject)
	Relinkable	Gets or sets whether the user may reconnect this link to another port.
	Reshapable	Gets or sets whether the user can reshape this object. (Inherited from Northwoods.GoWeb.GoObject)
	Resizable	Gets or sets whether the user can resize this object. (Inherited from Northwoods.GoWeb.GoObject)
	ResizesRealtime	Gets or sets whether this object continuously changes its size during a user resizing operation. [In Web Forms there is no continuous visual feedback of a resize.] (Inherited from Northwoods.GoWeb.GoObject)
	Right	Gets or sets this object's right coordinate. (Inherited from Northwoods.GoWeb.GoObject)
	Selectable	Gets or sets whether the user can select this object. (Inherited from Northwoods.GoWeb.GoObject)
	SelectionObject	Gets the object that gets selection handles when this object is selected. (Inherited from Northwoods.GoWeb.GoObject)
	Shadowed	Gets or sets whether this object is painted with a drop shadow. (Inherited from Northwoods.GoWeb.GoObject)
	Style	Overridden. When IsSelfLoop is true and Orthogonal is false, the stroke style is assumed to be GoStrokeStyle.Bezier.
	ToArrow	Gets or sets whether an arrow is drawn at the end of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	ToArrowAnchorPoint	Gets a point which specifies the direction the arrow is coming from. (Inherited from Northwoods.GoWeb.GoStroke)
	ToArrowEndPoint	Gets the point at the tip of the arrowhead at the end of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	ToArrowFilled	Gets or sets whether the arrowhead at the end of this stroke is filled with the brush. (Inherited from Northwoods.GoWeb.GoStroke)
	ToArrowLength	Gets or sets the length of the arrowhead at the end of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	ToArrowShaftLength	Gets or sets the length of the shaft of the arrowhead at the end of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	ToArrowStyle	Gets or sets the general shape of an arrowhead at the end of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	ToArrowWidth	Gets or sets the maximum width of the arrowhead at the end of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	ToNode	Gets the node that the link is going to.
	ToolTipText	Gets or sets a string to be displayed in a tooltip.
	Top	Gets or sets this object's top coordinate, the Y position. (Inherited from Northwoods.GoWeb.GoObject)
	ToPort	Gets or sets the port that the link is going to.
	UserFlags	Gets or sets an integer value associated with this link.
	UserObject	Gets or sets an object associated with this link.
	View	Gets the view that this object belongs to, or null if this is not in a layer or if this is in a document layer. (Inherited from Northwoods.GoWeb.GoObject)
	Visible	Gets or sets whether the user can see this object. (Inherited from Northwoods.GoWeb.GoObject)
	Width	Gets or sets this object's width. (Inherited from Northwoods.GoWeb.GoObject)

	Name	Description
	AddObserver	Register an object as an observer of changes to this object. (Inherited from Northwoods.GoWeb.GoObject)
	AddPoint	Overloaded. Add another point to the end of this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	AddSelectionHandles	Overridden. Unlike a normal GoStroke the end handles are in the shape of diamonds if Relinkable is true.
	CalculateArrowhead	Modify an array of points to hold the four points of a polygon outlining an arrowhead (Inherited from Northwoods.GoWeb.GoStroke)
	CalculateRoute	This implementation of IGoRoutable just calls CalculateStroke to determine a new path (i.e. a new set of points) for this link.
	CalculateStroke	This method is responsible for determining the points in the stroke, given the positions of the ports.
	CanCopy	Called to see if the user can copy this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanDelete	Called to see if the user can delete this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanEdit	Called to see if the user can edit this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanMove	Called to see if the user can move this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanPrint	Called to see if the view can print this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanReshape	Called to see if the user can reshape this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanResize	Called to see if the user can resize this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanSelect	Called to see if the user can select this object. (Inherited from Northwoods.GoWeb.GoObject)
	CanView	Called to see if the user can see this object. (Inherited from Northwoods.GoWeb.GoObject)
	Changed	Overridden. If one of the stroke's points has changed, we notify this link's AbstractLink about the change, so that it has a chance to recalculate its stroke.
	ChangeValue	Overridden. Performs changes for undo and redo.
	Changing	Notify this object's document or view that some part of this object's state is about to be changed. (Inherited from Northwoods.GoWeb.GoObject)
	ClearPoints	Remove all of the points for this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	ComputeMove	Calculate a new location for this object. (Inherited from Northwoods.GoWeb.GoObject)
	ComputeResize	Calculate a new bounding rectangle for this object. (Inherited from Northwoods.GoWeb.GoObject)
	ContainedByRectangle	Consider the Pen width when determining if this shape is inside a rectangle. (Inherited from Northwoods.GoWeb.GoShape)
	ContainsPoint	A point is in a stroke only if it is near one of its segments. (Inherited from Northwoods.GoWeb.GoStroke)
	Copy	This convenience method just makes a copy of the object itself, using a generic GoCopyDictionary. (Inherited from Northwoods.GoWeb.GoObject)
	CopyNewValueForRedo	Copies state to permit a redo. (Inherited from Northwoods.GoWeb.GoStroke)
	CopyObject	Overridden. Copying a link does not immediately set the IGoLink.FromPort and IGoLink.ToPort of the copied link, but does add the link to the copy dictionary's Delayeds collection so that later processing can set those properties.
	CopyObjectDelayed	Overridden. Make sure both ports are newly copied ports, or else remove this link from the destination layer.
	CopyOldValueForUndo	Copies state to permit an undo. (Inherited from Northwoods.GoWeb.GoStroke)
	CopyPointsArray	Returns a copy of the array of points in this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	CreateBoundingHandle	Create a bounding handle for this object. (Inherited from Northwoods.GoWeb.GoObject)
	CreateEditor	Create a `GoControl` that implements an editor for this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
	CreateResizeHandle	Create a resize handle for this object, given a handle ID. (Inherited from Northwoods.GoWeb.GoObject)
	DoBeginEdit	Start editing this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
	DoEndEdit	Stop editing this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
	DoMove	Called when a user moves this object. (Inherited from Northwoods.GoWeb.GoObject)
	DoResize	Overridden. Handle resizing in the same manner as GoStroke, but when Orthogonal is true, we move both points of the middle segment in order to maintain orthogonality.
	ExpandPaintBounds	Consider Pen width, miter limit, drop shadow and highlight in computing the paint bounds. (Inherited from Northwoods.GoWeb.GoStroke)
	FillDoubleEdge	Overloaded. Set the GoShape.Brush to be a vertical linear gradient starting with the start color, with most of the center being Color.White, and ending with the starting color. (Inherited from Northwoods.GoWeb.GoShape)
	FillEllipseGradient	Overloaded. Set the GoShape.Brush to be a gradient occupying this shape's GoObject.Bounds, with the color color along the four edges of the rectangle, surrounding a very light version of that color. (Inherited from Northwoods.GoWeb.GoShape)
	FillHalfGradient	Overloaded. Set the GoShape.Brush to be a vertical linear gradient starting with a very light version of the color color, and having the last half of the gradient be the solid color color. (Inherited from Northwoods.GoWeb.GoShape)
	FillMiddleGradient	Overloaded. Set the GoShape.Brush to be a vertical linear gradient starting with a very light version of the color color, having the middle with a color lighter than color, and ending with the starting color. (Inherited from Northwoods.GoWeb.GoShape)
	FillRectangleGradient	Overloaded. Set the GoShape.Brush to be a gradient occupying this shape's GoObject.Bounds, with the color color along the four edges of the rectangle, surrounding a very light version of that color. (Inherited from Northwoods.GoWeb.GoShape)
	FillShadedGradient	Overloaded. Set the GoShape.Brush to be a vertical linear gradient starting with a very light version of the color color, having the middle with a color lighter than color, and ending with a darker color than the color. (Inherited from Northwoods.GoWeb.GoShape)
	FillShapeFringe	Overloaded. Set the GoShape.Brush to be a path shaped gradient starting with the start color, with most of the center being Color.White. (Inherited from Northwoods.GoWeb.GoShape)
	FillShapeGradient	Overloaded. Set the GoShape.Brush to be a path shaped gradient with the color color surrounding a very light version of that color. (Inherited from Northwoods.GoWeb.GoShape)
	FillShapeHighlight	Overloaded. Set the GoShape.Brush to be a path shaped gradient that is mostly the start color, with a white "highlight". (Inherited from Northwoods.GoWeb.GoShape)
	FillSimpleGradient	Overloaded. Set the GoShape.Brush to be a simple vertical linear gradient using the given color. (Inherited from Northwoods.GoWeb.GoShape)
	FillSingleEdge	Overloaded. Set the GoShape.Brush to be a vertical linear gradient starting with the start color, with most of the center being Color.White. (Inherited from Northwoods.GoWeb.GoShape)
	GetArrowheadPointsCount	Gets the number of points to be used in the polygon representing an arrowhead. (Inherited from Northwoods.GoWeb.GoStroke)
	GetContextMenu	Called to get a GoContextMenu to display for this object. (Inherited from Northwoods.GoWeb.GoObject)
	GetCursorName	Called when rendering the view to determine the cursor, if any, to display over this object. (Inherited from Northwoods.GoWeb.GoObject)
	GetNearestIntersectionPoint	The closest intersection point of a stroke with a line is the closest such point for each of its segments. (Inherited from Northwoods.GoWeb.GoStroke)
	GetOtherNode	Overloaded. Return the node at the other end of this link from the given node.
	GetOtherPort	Overloaded. Return the port at the other end of this link from the given port.
	GetPartInfo	Return a GoPartInfo that describes this object and that can be transmitted to the client (user agent) as JavaScript data structures that can be used by code running on the client. (Inherited from Northwoods.GoWeb.GoObject)
	GetPoint	Get the point at a particular index. (Inherited from Northwoods.GoWeb.GoStroke)
	GetRectangleSpotLocation	Get the position of a spot in a rectangle. (Inherited from Northwoods.GoWeb.GoObject)
	GetSegmentNearPoint	Return the index of the first point of a segment of this stroke that is close to a given point. (Inherited from Northwoods.GoWeb.GoStroke)
	GetShadowBrush	Get a Brush for painting a drop shadow in the given view. (Inherited from Northwoods.GoWeb.GoObject)
	GetShadowOffset	Gets the size of a drop shadow for this object in the given view. (Inherited from Northwoods.GoWeb.GoObject)
	GetShadowPen	Get a Pen for painting a drop shadow in the given view. (Inherited from Northwoods.GoWeb.GoObject)
	GetSpotLocation	Get the position of a spot on this object. (Inherited from Northwoods.GoWeb.GoObject)
	GetToolTip	Overridden. Return a string to be displayed in a tooltip, or null for none.
	InsertPoint	Add a point at a particular index, thereby increasing the number of points by one. (Inherited from Northwoods.GoWeb.GoStroke)
	InvalidateViews	Cause all views to repaint this object when they get a chance. (Inherited from Northwoods.GoWeb.GoObject)
	IsChildOf	Determines if this object is a child, perhaps indirectly, of the given object. (Inherited from Northwoods.GoWeb.GoObject)
	MakePath	Returns a `GraphicsPath` representation of what will be drawn. (Inherited from Northwoods.GoWeb.GoStroke)
	OnContextClick	Called when the user context clicks on this object. (Inherited from Northwoods.GoWeb.GoObject)
	OnDoubleClick	Called when the user double clicks on this object. (Inherited from Northwoods.GoWeb.GoObject)
	OnEnterLeave	Called when the document object immediately under the mouse changes after a drag. (Inherited from Northwoods.GoWeb.GoObject)
	OnGotSelection	Called when this object becomes selected. (Inherited from Northwoods.GoWeb.GoObject)
	OnHover	Called when the user hovers over this object. (Inherited from Northwoods.GoWeb.GoObject)
	OnLostSelection	Called when this object becomes unselected. (Inherited from Northwoods.GoWeb.GoObject)
	OnMouseOver	Called when the user moves the mouse over this object when not dragging or resizing. (Inherited from Northwoods.GoWeb.GoObject)
	OnPortChanged	Let links get notifications of changes to either port or to the link itself.
	OnSelectionDropped	Called after the user has dropped the selection on this object. (Inherited from Northwoods.GoWeb.GoObject)
	OnSelectionDropReject	Called during a user's drag of the view's Selection when the mouse is over this object, to give this object a chance to veto a drop. (Inherited from Northwoods.GoWeb.GoObject)
	OnSingleClick	Called when the user single clicks on this object. (Inherited from Northwoods.GoWeb.GoObject)
	Paint	A stroke is drawn as a sequence of straight line segments or Bezier curves, with optional arrows at the ends. (Inherited from Northwoods.GoWeb.GoStroke)
	Pick	Return an object at a point, perhaps only a selectable one. (Inherited from Northwoods.GoWeb.GoObject)
	PortsOnLinkChanged	Notify both ports that there was a change to this link.
	Remove	This convenience method just removes this object from its container, if there is any. (Inherited from Northwoods.GoWeb.GoObject)
	RemoveObserver	Make sure an object is not an observer of changes to this object. (Inherited from Northwoods.GoWeb.GoObject)
	RemovePoint	Remove the point at a particular index, thereby reducing the number of points by one. (Inherited from Northwoods.GoWeb.GoStroke)
	RemoveSelectionHandles	Besides removing all selection handles, we also turn off any highlighting if GoStroke.HighlightWhenSelected is true. (Inherited from Northwoods.GoWeb.GoStroke)
	SetPoint	Replace the point at a particular index; (Inherited from Northwoods.GoWeb.GoStroke)
	SetPoints	Replace all of the points for this stroke. (Inherited from Northwoods.GoWeb.GoStroke)
	SetRectangleSpotLocation	Modify a rectangle such that its new spot location is at a given point. (Inherited from Northwoods.GoWeb.GoObject)
	SetSizeKeepingLocation	Sets a new size for this object while maintaining the same location. (Inherited from Northwoods.GoWeb.GoObject)
	SetSpotLocation	Overloaded. Move this object so this object's given spot is at the given location. (Inherited from Northwoods.GoWeb.GoObject)
	SpotOpposite	Get the spot that is on the opposite side of a given spot. (Inherited from Northwoods.GoWeb.GoObject)
	Unlink	Remove this link from its layer.
	UpdateRoute	Request the recalculation of the stroke for this link.

	Name	Description
	AddOrthoPoints	This method is called by CalculateStroke when Orthogonal is true and both ports are instances of GoPort and at least one of them have a link spot that is not `NoSpot`.
	AdjustPoints	Adjust all of the existing points in this link's stroke in an inclusive range according to new first and last stroke points.
	ComputeBounds	The bounding rectangle of a stroke is computed as the smallest rectangle that includes all of the stroke's points. (Inherited from Northwoods.GoWeb.GoStroke)
	DrawArrowhead	This method is called by GoStroke.Paint to actually draw an arrowhead. (Inherited from Northwoods.GoWeb.GoStroke)
	GetMidOrthoPosition	This method is called by AddOrthoPoints to determine the distance of the middle segment between the two ports.
	GetPath	Gets a cached `GraphicsPath` produced by a call to GoShape.MakePath. (Inherited from Northwoods.GoWeb.GoShape)
	ModifyEndPoints	Modify only the end points of this stroke to match any new newFromPoint or newToPoint points; intermediate points are not changed.
	OnBoundsChanged	Changing the bounds of a stroke may change all of the stroke's points. (Inherited from Northwoods.GoWeb.GoStroke)
	OnLayerChanged	Overridden. When a link is removed from a layer, also remove it from the collections of connected links of both ports.
	OnObservedChanged	Called when an observed object has been changed. (Inherited from Northwoods.GoWeb.GoObject)
	OnParentChanged	Called when this object's parent is changed. (Inherited from Northwoods.GoWeb.GoObject)
	RescalePoints	Maintain the same shape for the stroke, but scale and rotate according to new points newFromPoint and newToPoint.
	ResetPath	Clear any cached `GraphicsPath`. (Inherited from Northwoods.GoWeb.GoShape)
	StretchPoints	Stretch the points of this stroke by interpolating the points from startIndex to endIndex between the new points newFromPoint and newToPoint.

Reference