LinkValidationEventArgs

open class LinkValidationEventArgs : LinkEventArgs

A class that specifies arguments for validation of actions performed on DiagramLink objects.

  • Initializes a new instance of the LinkValidationEventArgs class.

    Declaration

    Swift

    public override init(link: DiagramLink)

    Parameters

    node

    The DiagramLink related to the event.

    Return Value

    The newly created LinkValidationEventArgs object.

  • Initializes a new instance of the LinkValidationEventArgs class.

    Declaration

    Swift

    public init(link: DiagramLink, pointerPosition: Point, adjustmentHandle: Int, node: DiagramNode, anchorIndex: Int, tableRow: Int)

    Parameters

    link

    The DiagramLink related to the event.
    pointerPosition

    The position of the pointer when the event occurred.
    adjustmentHandle

    The AdjustmentHandle dragged by the user.
    node

    The DiagramNode related to the event.
    anchorIndex

    The index of the link anchor.
    tableRow

    The index of the table row related to the event.

    Return Value

    The newly created LinkValidationEventArgs object.

  • Initializes a new instance of the LinkValidationEventArgs class.

    Declaration

    Swift

    public init(link: DiagramLink, selectionRectangle: Rect)

    Parameters

    link

    The DiagramLink related to the event.
    selectionRectangle

    The selection rectangle on the diagram when the event occurred.

    Return Value

    The newly created LinkValidationEventArgs object.

  • Cancels the creation or modification of the DiagramLink. Calling this method immediately stops the operation.

    Declaration

    Swift

    open func cancelDrag()

  • Gets the DiagramNode to which the DiagramLink will be connected.

    Declaration

    Swift

    open var node: DiagramNode { get }

    Return Value

    The DiagramNode, which is destination for the DiagramLink.

  • Gets the DiagramNode, which will become the origin of the DiagramLink if the event is validated.

    Declaration

    Swift

    open var origin: DiagramNode { get }

    Return Value

    The DiagramNode, which will be the origin of the DiagramLink.

  • Gets the DiagramNode, which will become the destination of the DiagramLink if the event is validated.

    Declaration

    Swift

    open var destination: DiagramNode { get }

    Return Value

    The DiagramNode, which will be the destination of the DiagramLink.

  • Gets the index of the anchor point, related to this LinkValidationEventArgs event.

    Declaration

    Swift

    open var anchorIndex: Int { get }

    Return Value

    The index of the anchor point.

  • Gets the index of the table row, related to this LinkValidationEventArgs event.

    Declaration

    Swift

    open var tableRow: Int { get }

    Return Value

    The index of the anchor point.

  • Gets a value that indicates if the user modifies the end point of the DiagramLink’s, origin.

    Declaration

    Swift

    open var changingOrigin: Bool { get }

    Return Value

    true if the user modifies the origin of the DiagramLink.; otherwise false.

  • Gets a value that indicates if the user modifies the end point of the DiagramLink’s, destination.

    Declaration

    Swift

    open var changingDestination: Bool { get }

    Return Value

    true if the user modifies the destination of the DiagramLink.; otherwise false.

  • Gets the current selection rectangle.

    Declaration

    Swift

    open var selectionRectangle: Rect { get }

  • A bool field, which specifies if a node modification or drag is cancelled.

    Declaration

    Swift

    open var cancel: Bool