Emitted when the cursor's type changes. The type parameter can be pointer, crosshair, hand, text, wait, help, e-resize, n-resize, ne-resize, nw-resize, s-resize, se-resize, sw-resize, w-resize, ns-resize, ew-resize, nesw-resize, nwse-resize, col-resize, row-resize, m-panning, m-panning-vertical, m-panning-horizontal, e-panning, n-panning, ne-panning, nw-panning, s-panning, se-panning, sw-panning, w-panning, move, vertical-text, cell, context-menu, alias, progress, nodrop, copy, none, not-allowed, zoom-in, zoom-out, grab, grabbing, custom, null, drag-drop-none, drag-drop-move, drag-drop-copy, drag-drop-link, ns-no-resize, ew-no-resize, nesw-no-resize, nwse-no-resize, or default.If the type parameter is custom, the image parameter will hold the custom cursor image in a NativeImage, and scale, size and hotspot will hold additional information about the custom cursor.