This call returns the number of mickeys in each centimeter for the installed
mouse driver.
MouGetNumMickeys
(NumberOfMickeys, DeviceHandle)
NumberOfMickeys (PUSHORT) - output
Address
of the number of physical mouse motion units. Mouse motion units are reported
in mickeys in each centimeter. This value is constant based upon the mouse
device attached.
DeviceHandle (HMOU) - input
Handle of the mouse device from a previous MouOpen.