# Function Reference

# TimerDiff

Returns the difference in time from a previous call to TimerInit().

TimerDiff ( handle )

## Parameters

handle | Handle returned from a previous call to TimerInit().

## Return Value

Returns the time difference (in milliseconds) from a previous call to TimerInit().

## Remarks

Some processors are known to cause the function to return incorrect result.

## Related

TimerInit

## 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 handle is passed as the "handle" to TimerDiff.
    MsgBox($MB_SYSTEMMODAL, "Time Difference", $fDiff)