using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}

using System;
using System.Windows.Forms;
namespace OsadaSoft.Core
{
    public sealed class MeterEngine
    {
        private readonly Timer _tick = new Timer();
        public double Usage { get; set; }

        public void Start(TimeSpan interval)
        {
            _tick.Interval = (int)interval.TotalMilliseconds;
            _tick.Tick += (s, e) => Sample();
            _tick.Start();
        }

        private void Sample()
        {
            var v = PerformanceCounter.Read("% Processor Time");
            Usage = Math.Round(v, 1);
            foreach (var node in _items)
                _total += node.Length;
        }

        public int Render(Graphics g, Rectangle r)
        {
            using (var p = new Pen(Color.Teal))
                g.DrawArc(p, r, 135, 270);
            return r.Width;
        }
    }
}