protected override void OnInitialize()
{
base.OnInitialize();
var rect1 = new Rectangle(100, 100, 100, 100);
var resizeHandleTop = new ResizeHandle(rect1, new Ellipse(0, 0, 30, 30)
{
FillColor = Colors.Red.AdjustOpacity(0.5)
}, 0, 0, ResizeDirections.Top);
resizeHandleTop.InstallEditPolicy(new SnapGridPolicy());
rect1.AddHandle(resizeHandleTop);
rect1.InstallEditPolicy(SelectionFeedbackPolicy);
rect1.InstallEditPolicy(new DragFeedbackPolicy());
Canvas.AddFigure(rect1);
var rect2 = new Rectangle(250, 100, 100, 100);
rect2.AddHandle(new ResizeHandle(rect2, new Ellipse(0, 0, 30, 30), 0, 0, ResizeDirections.Top));
rect2.AddHandle(new ResizeHandle(rect2, new Ellipse(0, 0, 30, 30), 0, 0, ResizeDirections.Left));
rect2.InstallEditPolicy(SelectionFeedbackPolicy);
Canvas.AddFigure(rect2);
var rect3 = new Rectangle(400, 100, 100, 100);
rect3.AddHandlesCornerDirections(Canvas, HandleSizes.Big, HandleShapeType.Round);
rect3.InstallEditPolicy(SelectionFeedbackPolicy);
Canvas.AddFigure(rect3);
var rect4 = new Rectangle(100, 300, 100, 100);
rect4.AddHandlesLeftRightDirections(Canvas, HandleSizes.Medium, HandleShapeType.Square);
rect4.InstallEditPolicy(SelectionFeedbackPolicy);
Canvas.AddFigure(rect4);
var rect5 = new Rectangle(250, 300, 100, 100);
rect5.AddHandlesAllDirections(Canvas, HandleSizes.Medium, HandleShapeType.Square);
rect5.InstallEditPolicy(SelectionFeedbackPolicy);
Canvas.AddFigure(rect5);
var rect6 = new Rectangle(400, 300, 100, 100);
rect6.AddHandlesLeftRightDirections(Canvas, HandleSizes.Medium, HandleShapeType.Square);
rect6.AddHandlesTopBottomDirections(Canvas, HandleSizes.Medium, HandleShapeType.Round);
rect6.InstallEditPolicy(SelectionFeedbackPolicy);
Canvas.AddFigure(rect6);
}