Constructs a layer that adds resize boxes.

Returns true if the given coordinate is part of the interactor.

Invoked when the ResizeLayer becomes attached to an Interactor. The Interactor must implement the IRelocate interface for the resize layer to have any effect.

Invoked when the ResizeLayer becomes detached.

Invoked when the user starts dragging this interactor

Invoked when an object gets dropped on the extension.

Invoked when the user stops dragging this interactor

Invoked when an object get dragged into the interactor. This will only happen when IsOver returns true for a given coordinate.

Invoked when an object gets dragged outside interactor or when dragging gets cancelled.

Invoked when an object gets dragged over the extension.

Invoked when the mouse went down to drag a selection.

Invoked when the mouse goes up after dragging a selection.

Invoked while dragging a selection when the selection rectangle overlaps this interactor.

This override will add resize boxes to the interactor.

Raised when a key is pressed while this interactor has the focus.

Raised when a key is released while this interactor has the focus.

This override will remove the resize boxes from the interactor.

Invoked when the mouse is clicked in the interactor, i.e. a mouse down event has occurred and the mouse button has been released in the widget as well.

Invoked when the mouse is double-clicked in the interactor.

Invoked when a mouse button goes down in the interactor.

Invoked when the mouse enters the interactor. This will only happen when IsOver returns true for a given coordinate. By default, this method will get OnMouseEnter invoked on the base interactor.

Invoked when the mouse leaves the interactor. This will only happen when IsOver returns false for a given coordinate.

Invoked when the mouse moves over the extension.

Invoked when the mouse button goes up in the interactor.

Paints the extenstion.

Raises the PaintDrag event for the extended interactor.

Paints a drag rectangle over the interactor.

Invoked before painting the interactor, with a coordinate system that is offset by the ShadowOffset.

Specifies which cursor must be shown when hovering over the extension. By default, an extension does not define its own cursor, but instead, uses the cursor of its base interactor.

The base interactor that this extension extends.

Controls whether this layer is enabled. If false, the interactor behaves as if without the layer.

The rectangle that the interactor occupies, including this layer.

Raised when a user starts dragging a resize box.

Raised when a user stops dragging a resize box.