Change value with mouse wheel scrolling

This app demonstrates how to change values of spinner, slider and table data with mouse wheel scrolling.

Tips:

1. WindowScrollWheelFcn to catch mouse wheel scroll event.
2. Tag UI elements for use mouse wheel scrolling.
3. If there are multiple tabs, change the tag array for mouse events.
4. Loop tagged UI elements to match the current mouse pointer, getpixelposition(h,recursive) is usefull for finding the absolute position of h.
5. The height of a slider is 3, so it is not easy to cover it with mouse pointer.