.TH "QwtSystemClock" 3 "Sun Jul 18 2021" "Version 6.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtSystemClock \- \fBQwtSystemClock\fP provides high resolution clock time functions\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_system_clock\&.h>\fP
.SS "Public Member Functions"

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.RI "bool \fBisNull\fP () const"
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.RI "void \fBstart\fP ()"
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.RI "Start the elapsed timer\&. "
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.RI "double \fBrestart\fP ()"
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.RI "double \fBelapsed\fP () const"
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.SH "Detailed Description"
.PP 
\fBQwtSystemClock\fP provides high resolution clock time functions\&. 

Precision and time intervals are multiples of milliseconds (ms)\&.
.PP
( \fBQwtSystemClock\fP is deprecated as QElapsedTimer offers the same precision ) 
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Definition at line 24 of file qwt_system_clock\&.h\&.
.SH "Member Function Documentation"
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.SS "double QwtSystemClock::elapsed () const"

.PP
\fBReturns\fP
.RS 4
elapsed time in multiples of milliseconds 
.RE
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.PP
Definition at line 36 of file qwt_system_clock\&.cpp\&.
.SS "bool QwtSystemClock::isNull () const"

.PP
\fBReturns\fP
.RS 4
true, if the elapsed timer is valid 
.RE
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.PP
Definition at line 14 of file qwt_system_clock\&.cpp\&.
.SS "double QwtSystemClock::restart ()"
Restart the elapsed timer 
.PP
\fBReturns\fP
.RS 4
elapsed time in multiples of milliseconds 
.RE
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Definition at line 29 of file qwt_system_clock\&.cpp\&.

.SH "Author"
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.