can-resize?

Called before a snip is resized in the editor. If the return value is #f, then the resize will be aborted.

See also on-resize and after-resize.

The editor is internally locked for writing when this method is called (see also Locks).

• (send a-pasteboard can-resize? snip w h) -> boolean
      snip : snip% object
      w : non-negative real number
      h : non-negative real number