54 lines
1.5 KiB
C#
Executable File
54 lines
1.5 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System.Runtime.InteropServices;
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namespace OpenRa.Support
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{
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public class Stopwatch
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{
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[DllImport("kernel32.dll")]
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static extern bool QueryPerformanceCounter(out long value);
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[DllImport("kernel32.dll")]
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static extern bool QueryPerformanceFrequency(out long frequency);
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long freq, start;
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public Stopwatch()
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{
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QueryPerformanceFrequency(out freq);
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QueryPerformanceCounter(out start);
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}
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public double ElapsedTime()
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{
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long current;
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QueryPerformanceCounter(out current);
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return (current - start) / (double)freq;
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}
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public void Reset()
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{
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QueryPerformanceCounter(out start);
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}
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}
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}
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