GUI/SensorNotifyIcon.cs
author moel.mich
Fri, 19 Feb 2010 19:50:07 +0000
changeset 55 898935080fd6
parent 43 5b7398d061b7
child 57 142907c75be4
permissions -rw-r--r--
New option to start the application minimized.
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/*
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  Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  The contents of this file are subject to the Mozilla Public License Version
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  1.1 (the "License"); you may not use this file except in compliance with
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  the License. You may obtain a copy of the License at
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  http://www.mozilla.org/MPL/
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  Software distributed under the License is distributed on an "AS IS" basis,
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  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  for the specific language governing rights and limitations under the License.
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  The Original Code is the Open Hardware Monitor code.
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  The Initial Developer of the Original Code is 
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  Michael Möller <m.moeller@gmx.ch>.
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  Portions created by the Initial Developer are Copyright (C) 2009-2010
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  the Initial Developer. All Rights Reserved.
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  Contributor(s):
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  Alternatively, the contents of this file may be used under the terms of
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  either the GNU General Public License Version 2 or later (the "GPL"), or
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  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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  in which case the provisions of the GPL or the LGPL are applicable instead
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  of those above. If you wish to allow use of your version of this file only
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  under the terms of either the GPL or the LGPL, and not to allow others to
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  use your version of this file under the terms of the MPL, indicate your
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  decision by deleting the provisions above and replace them with the notice
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  and other provisions required by the GPL or the LGPL. If you do not delete
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  the provisions above, a recipient may use your version of this file under
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  the terms of any one of the MPL, the GPL or the LGPL.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.Drawing.Text;
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using System.Text;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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using OpenHardwareMonitor.Hardware;
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using OpenHardwareMonitor.Utilities;
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namespace OpenHardwareMonitor.GUI {
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  public class SensorNotifyIcon : IDisposable {
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    private ISensor sensor;
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    private NotifyIcon notifyIcon;
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    private Bitmap bitmap;
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    private Graphics graphics;
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    private Color color;
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    private Color darkColor;
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    private Brush brush;
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    private Brush darkBrush;
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    private Pen pen;
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    public SensorNotifyIcon(SensorSystemTray sensorSystemTray, ISensor sensor,
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      bool balloonTip) 
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    {
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      this.sensor = sensor;
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      this.notifyIcon = new NotifyIcon();
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      Color defaultColor = Color.Black;
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      if (sensor.SensorType == SensorType.Load) {
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        defaultColor = Color.FromArgb(0xff, 0x70, 0x8c, 0xf1);
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      }
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      Color = Config.Get(sensor.Identifier + "/traycolor", defaultColor);      
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      this.pen = new Pen(Color.FromArgb(96, Color.Black));
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      ContextMenuStrip contextMenuStrip = new ContextMenuStrip();
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      ToolStripMenuItem removeItem = new ToolStripMenuItem("Remove");
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      removeItem.Click += delegate(object obj, EventArgs args) {
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        sensorSystemTray.Remove(this.sensor);
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      };
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      contextMenuStrip.Items.Add(removeItem);
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      ToolStripMenuItem colorItem = new ToolStripMenuItem("Change Color...");
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      colorItem.Click += delegate(object obj, EventArgs args) {
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        ColorDialog dialog = new ColorDialog();
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        dialog.Color = Color;
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        if (dialog.ShowDialog() == DialogResult.OK) {
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          Color = dialog.Color;
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          Config.Set(sensor.Identifier + "/traycolor", Color);
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        }
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      };
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      contextMenuStrip.Items.Add(colorItem);
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      this.notifyIcon.ContextMenuStrip = contextMenuStrip;
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      this.bitmap = new Bitmap(16, 16, PixelFormat.Format32bppArgb);
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      this.graphics = Graphics.FromImage(this.bitmap);
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      this.graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
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      this.graphics.SmoothingMode = SmoothingMode.HighQuality;
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    }
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    public ISensor Sensor {
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      get { return sensor; }
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    }
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    public Color Color {
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      get { return color; }
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      set { 
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        this.color = value;
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        this.darkColor = Color.FromArgb(255,
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          this.color.R / 3,
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          this.color.G / 3,
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          this.color.B / 3);
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        Brush brush = this.brush;
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        this.brush = new SolidBrush(this.color);
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        if (brush != null)
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          brush.Dispose();
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        Brush darkBrush = this.darkBrush;
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        this.darkBrush = new SolidBrush(this.darkColor);
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        if (darkBrush != null)
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          darkBrush.Dispose();
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      }
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    }
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    public void Dispose() {      
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      Icon icon = notifyIcon.Icon;
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      notifyIcon.Icon = null;
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      if (icon != null)
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        icon.Dispose();      
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      notifyIcon.Dispose();
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      notifyIcon = null;
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      if (brush != null)
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        brush.Dispose();
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      if (darkBrush != null)
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        darkBrush.Dispose();
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      pen.Dispose();
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      graphics.Dispose();
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      graphics = null;
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      bitmap.Dispose();
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      bitmap = null;
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    }
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    private string GetString() {
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      switch (sensor.SensorType) {
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        case SensorType.Voltage:
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          return string.Format("{0:F11}", sensor.Value);
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        case SensorType.Clock:
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          return string.Format("{0:F11}", 1e-3f * sensor.Value);
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        case SensorType.Load: 
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          return string.Format("{0:F0}", sensor.Value < 99 ? sensor.Value : 99);
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        case SensorType.Temperature: 
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          return string.Format("{0:F0}", sensor.Value);
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        case SensorType.Fan: 
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          return string.Format("{0:F11}", 1e-3f * sensor.Value);
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      }
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      return "-";
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    }
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    private Icon CreateTransparentIcon() {
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      graphics.Clear(Color.Black);
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      TextRenderer.DrawText(graphics, GetString(), SystemFonts.StatusFont,
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        new Point(-2, 0), Color.White, Color.Black);
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      BitmapData data = bitmap.LockBits(
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        new Rectangle(0, 0, bitmap.Width, bitmap.Height),
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        ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
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      int stride = data.Stride;
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      IntPtr Scan0 = data.Scan0;
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      int numBytes = bitmap.Width * bitmap.Height * 4;
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      byte[] bytes = new byte[numBytes];
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      Marshal.Copy(Scan0, bytes, 0, numBytes);
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      bitmap.UnlockBits(data);
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      byte red, green, blue;
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      for (int i = 0; i < bytes.Length; i += 4) {
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        blue = bytes[i];
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        green = bytes[i + 1];
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        red = bytes[i + 2];
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        bytes[i] = color.B;
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        bytes[i + 1] = color.G;
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        bytes[i + 2] = color.R;
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        bytes[i + 3] = (byte)(0.3 * red + 0.59 * green + 0.11 * blue);
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      }
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      return IconFactory.Create(bytes, 16, 16, PixelFormat.Format32bppArgb);
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    }
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    private Icon CreateLoadIcon() {
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      graphics.Clear(Color.Transparent);
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      graphics.FillRectangle(darkBrush, 0.5f, -0.5f, 14, 16);
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      float y = 0.16f * (100 - sensor.Value.Value);
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      graphics.FillRectangle(brush, 0.5f, -0.5f + y, 14, 16 - y);
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      graphics.DrawRectangle(pen, 1, 0, 13, 15);
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      BitmapData data = bitmap.LockBits(
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        new Rectangle(0, 0, bitmap.Width, bitmap.Height),
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        ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
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      byte[] bytes = new byte[bitmap.Width * bitmap.Height * 4];
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      Marshal.Copy(data.Scan0, bytes, 0, bytes.Length);
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      bitmap.UnlockBits(data);
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      return IconFactory.Create(bytes, 16, 16, PixelFormat.Format32bppArgb);
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    }
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    public void Update() {
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      Icon icon = notifyIcon.Icon;
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      if (sensor.SensorType == SensorType.Load) {
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        notifyIcon.Icon = CreateLoadIcon();
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      } else {
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        notifyIcon.Icon = CreateTransparentIcon();
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      }
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      if (icon != null) 
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        icon.Dispose();
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      string format = "";
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      switch (sensor.SensorType) {
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        case SensorType.Voltage: format = "{0}\n{1}: {2:F2} V"; break;
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        case SensorType.Clock: format = "{0}\n{1}: {2:F0} MHz"; break;
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        case SensorType.Load: format = "{0}\n{1}: {2:F1} %"; break;
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        case SensorType.Temperature: format = "{0}\n{1}: {2:F1} °C"; break;
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        case SensorType.Fan: format = "{0}\n{1}: {2:F0} RPM"; break;
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      }
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      notifyIcon.Text = string.Format(format, sensor.Hardware.Name, sensor.Name,
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        sensor.Value);    
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      notifyIcon.Visible = true;         
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    }
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  }
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}