id. The mouse pointer must have been previously created by CreatePointer().
Please note that every display has its private pointer setting. Thus,
this function will only set the mouse pointer in the current display.
If you want to change the mouse pointer of all your displays, you need
SetPointer() for each of them (after making each active using
Please note: This function has already been available since version 1.5 but its functionality changed completely in version 4.0. The old command is no longer supported.