Qwt User's Guide 6.3.0

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Public Member Functions | List of all members
QwtSystemClock Class Reference

QwtSystemClock provides high resolution clock time functions. More...

`#include <qwt_system_clock.h>`

## Public Member Functions
bool | isNull () const
void | start ()
| Start the elapsed timer.
double | restart ()
double | elapsed () const

## Detailed Description

QwtSystemClock provides high resolution clock time functions.

Precision and time intervals are multiples of milliseconds (ms).

( QwtSystemClock is deprecated as QElapsedTimer offers the same precision )

Definition at line 24 of file qwt_system_clock.h.

## Member Function Documentation

## ◆ elapsed()

double QwtSystemClock::elapsed | ( |  | ) | const

Returns
  elapsed time in multiples of milliseconds

Definition at line 36 of file qwt_system_clock.cpp.

## ◆ isNull()

bool QwtSystemClock::isNull | ( |  | ) | const

Returns
  true, if the elapsed timer is valid

Definition at line 14 of file qwt_system_clock.cpp.

## ◆ restart()

double QwtSystemClock::restart | ( |  | ) |

Restart the elapsed timer

Returns
  elapsed time in multiples of milliseconds

Definition at line 29 of file qwt_system_clock.cpp.

## ◆ start()

void QwtSystemClock::start | ( |  | ) |

Start the elapsed timer.

Definition at line 20 of file qwt_system_clock.cpp.