# Function Reference

# TimerInit

Returns a handle that can be passed to TimerDiff() to calculate the difference in milliseconds.

TimerInit ( )

## Return Value

Returns a handle that can be passed to TimerDiff() to calculate the difference in milliseconds.

## Remarks

The return value from TimerInit() should be treated as an opaque handle and should only be used to pass to TimerDiff(). Any other usage of the return value is a potential error.

## Related

TimerDiff

## Example

    #include <MsgBoxConstants.au3>

    Local $hTimer = TimerInit() ; Begin the timer and store the handle in a variable.
    Sleep(3000) ; Sleep for 3 seconds.
    Local $fDiff = TimerDiff($hTimer) ; Find the difference in time from the previous call of TimerInit. The variable we stored the TimerInit handlem is passed as the "handle" to TimerDiff.
    MsgBox($MB_SYSTEMMODAL, "Time Difference", $fDiff)