add selector example or something similar
to show if current api supportsw that
selector-example:
draw some figures with some stroke color and width
on mouse down:
draw selector rectangle, expand on mouse move
if selector.Rectangle.Contains(figure.Bounds)
change width or color of figure
add selector example or something similar to show if current api supportsw that selector-example: draw some figures with some stroke color and width on mouse down: draw selector rectangle, expand on mouse move if selector.Rectangle.Contains(figure.Bounds) change width or color of figure