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435 lines
17 KiB
C#
435 lines
17 KiB
C#
// ***********************************************************************
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// Assembly : HZH_Controls
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// Created : 2019-09-03
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//
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// ***********************************************************************
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// <copyright file="UCMeter.cs">
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// Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
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// </copyright>
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//
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// Blog: https://www.cnblogs.com/bfyx
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// GitHub：https://github.com/kwwwvagaa/NetWinformControl
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// gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
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//
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// If you use this code, please keep this note.
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// ***********************************************************************
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.ComponentModel;
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namespace HZH_Controls.Controls
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{
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/// <summary>
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/// Class UCMeter.
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/// Implements the <see cref="System.Windows.Forms.UserControl" />
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/// </summary>
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/// <seealso cref="System.Windows.Forms.UserControl" />
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public class UCMeter : UserControl
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{
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private int splitCount = 10;
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/// <summary>
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/// Gets or sets the split count.
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/// </summary>
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/// <value>The split count.</value>
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[Description("分隔刻度数量，>1"), Category("自定义")]
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public int SplitCount
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{
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get { return splitCount; }
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set
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{
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if (value < 1)
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return;
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splitCount = value;
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Refresh();
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}
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}
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private int meterDegrees = 150;
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/// <summary>
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/// Gets or sets the meter degrees.
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/// </summary>
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/// <value>The meter degrees.</value>
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[Description("表盘跨度角度，0-360"), Category("自定义")]
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public int MeterDegrees
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{
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get { return meterDegrees; }
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set
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{
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if (value > 360 || value <= 0)
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return;
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meterDegrees = value;
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Refresh();
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}
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}
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private decimal minValue = 0;
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/// <summary>
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/// Gets or sets the minimum value.
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/// </summary>
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/// <value>The minimum value.</value>
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[Description("最小值,<MaxValue"), Category("自定义")]
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public decimal MinValue
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{
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get { return minValue; }
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set
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{
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if (value >= maxValue)
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return;
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minValue = value;
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Refresh();
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}
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}
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private decimal maxValue = 100;
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/// <summary>
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/// Gets or sets the maximum value.
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/// </summary>
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/// <value>The maximum value.</value>
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[Description("最大值,>MinValue"), Category("自定义")]
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public decimal MaxValue
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{
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get { return maxValue; }
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set
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{
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if (value <= minValue)
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return;
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maxValue = value;
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Refresh();
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}
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}
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/// <summary>
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/// 获取或设置控件显示的文字的字体。
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/// </summary>
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/// <value>The font.</value>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
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/// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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[Description("刻度字体"), Category("自定义")]
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public override Font Font
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{
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get
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{
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return base.Font;
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}
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set
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{
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base.Font = value;
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Refresh();
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}
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}
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private decimal m_value = 0;
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/// <summary>
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/// Gets or sets the value.
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/// </summary>
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/// <value>The value.</value>
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[Description("值，>=MinValue并且<=MaxValue"), Category("自定义")]
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public decimal Value
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{
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get { return m_value; }
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set
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{
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if (value < minValue || value > maxValue)
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return;
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m_value = value;
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Refresh();
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}
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}
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private MeterTextLocation textLocation = MeterTextLocation.None;
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/// <summary>
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/// Gets or sets the text location.
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/// </summary>
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/// <value>The text location.</value>
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[Description("值和固定文字显示位置"), Category("自定义")]
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public MeterTextLocation TextLocation
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{
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get { return textLocation; }
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set
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{
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textLocation = value;
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Refresh();
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}
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}
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private string fixedText;
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/// <summary>
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/// Gets or sets the fixed text.
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/// </summary>
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/// <value>The fixed text.</value>
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[Description("固定文字"), Category("自定义")]
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public string FixedText
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{
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get { return fixedText; }
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set
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{
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fixedText = value;
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Refresh();
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}
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}
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private Font textFont = DefaultFont;
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/// <summary>
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/// Gets or sets the text font.
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/// </summary>
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/// <value>The text font.</value>
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[Description("值和固定文字字体"), Category("自定义")]
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public Font TextFont
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{
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get { return textFont; }
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set
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{
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textFont = value;
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Refresh();
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}
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}
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private Color externalRoundColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the external round.
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/// </summary>
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/// <value>The color of the external round.</value>
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[Description("外圆颜色"), Category("自定义")]
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public Color ExternalRoundColor
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{
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get { return externalRoundColor; }
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set
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{
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externalRoundColor = value;
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Refresh();
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}
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}
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private Color insideRoundColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the inside round.
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/// </summary>
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/// <value>The color of the inside round.</value>
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[Description("内圆颜色"), Category("自定义")]
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public Color InsideRoundColor
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{
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get { return insideRoundColor; }
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set
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{
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insideRoundColor = value;
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Refresh();
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}
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}
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private Color boundaryLineColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the boundary line.
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/// </summary>
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/// <value>The color of the boundary line.</value>
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[Description("边界线颜色"), Category("自定义")]
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public Color BoundaryLineColor
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{
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get { return boundaryLineColor; }
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set
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{
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boundaryLineColor = value;
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Refresh();
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}
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}
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private Color scaleColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the scale.
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/// </summary>
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/// <value>The color of the scale.</value>
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[Description("刻度颜色"), Category("自定义")]
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public Color ScaleColor
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{
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get { return scaleColor; }
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set
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{
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scaleColor = value;
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Refresh();
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}
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}
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private Color scaleValueColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the scale value.
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/// </summary>
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/// <value>The color of the scale value.</value>
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[Description("刻度值文字颜色"), Category("自定义")]
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public Color ScaleValueColor
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{
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get { return scaleValueColor; }
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set
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{
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scaleValueColor = value;
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Refresh();
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}
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}
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private Color pointerColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the pointer.
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/// </summary>
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/// <value>The color of the pointer.</value>
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[Description("指针颜色"), Category("自定义")]
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public Color PointerColor
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{
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get { return pointerColor; }
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set
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{
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pointerColor = value;
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Refresh();
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}
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}
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private Color textColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the text.
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/// </summary>
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/// <value>The color of the text.</value>
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[Description("值和固定文字颜色"), Category("自定义")]
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public Color TextColor
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{
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get { return textColor; }
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set
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{
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textColor = value;
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Refresh();
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}
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}
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Rectangle m_rectWorking;
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public UCMeter()
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{
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.DoubleBuffer, true);
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.SetStyle(ControlStyles.Selectable, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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this.SetStyle(ControlStyles.UserPaint, true);
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this.SizeChanged += UCMeter1_SizeChanged;
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
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this.Size = new Size(350, 200);
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}
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void UCMeter1_SizeChanged(object sender, EventArgs e)
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{
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m_rectWorking = new Rectangle(10, 10, this.Width - 20, this.Height - 20);
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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var g = e.Graphics;
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g.SetGDIHigh();
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//外圆
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float fltStartAngle = -90 - (meterDegrees) / 2 + 360;
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var r1 = new Rectangle(m_rectWorking.Location, new Size(m_rectWorking.Width, m_rectWorking.Width));
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g.DrawArc(new Pen(new SolidBrush(externalRoundColor), 1), r1, fltStartAngle, meterDegrees);
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//内圆
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var r2 = new Rectangle(m_rectWorking.Left + (m_rectWorking.Width - m_rectWorking.Width / 4) / 2, m_rectWorking.Top + (m_rectWorking.Width - m_rectWorking.Width / 4) / 2, m_rectWorking.Width / 4, m_rectWorking.Width / 4);
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g.DrawArc(new Pen(new SolidBrush(insideRoundColor), 1), r2, fltStartAngle, meterDegrees);
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//边界线
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if (meterDegrees != 360)
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{
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float fltAngle = fltStartAngle - 180;
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float intY = (float)(m_rectWorking.Top + m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - m_rectWorking.Width / 8) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
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float intX = (float)(m_rectWorking.Left + (m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - m_rectWorking.Width / 8) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
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float fltY1 = (float)(m_rectWorking.Top + m_rectWorking.Width / 2 - (m_rectWorking.Width / 8 * Math.Sin(Math.PI * (fltAngle / 180.00F))));
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float fltX1 = (float)(m_rectWorking.Left + (m_rectWorking.Width / 2 - (m_rectWorking.Width / 8 * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
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g.DrawLine(new Pen(new SolidBrush(boundaryLineColor), 1), new PointF(intX, intY), new PointF(fltX1, fltY1));
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g.DrawLine(new Pen(new SolidBrush(boundaryLineColor), 1), new PointF(m_rectWorking.Right - (fltX1 - m_rectWorking.Left), fltY1), new PointF(m_rectWorking.Right - (intX - m_rectWorking.Left), intY));
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}
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//分割线
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int _splitCount = splitCount * 2;
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float fltSplitValue = (float)meterDegrees / (float)_splitCount;
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for (int i = 0; i <= _splitCount; i++)
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{
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float fltAngle = (fltStartAngle + fltSplitValue * i - 180) % 360;
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float fltY1 = (float)(m_rectWorking.Top + m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
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float fltX1 = (float)(m_rectWorking.Left + (m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
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float fltY2 = 0;
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float fltX2 = 0;
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if (i % 2 == 0)
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{
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fltY2 = (float)(m_rectWorking.Top + m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 10) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
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fltX2 = (float)(m_rectWorking.Left + (m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 10) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
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if (!(meterDegrees == 360 && i == _splitCount))
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{
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decimal decValue = minValue + (maxValue - minValue) / _splitCount * i;
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var txtSize = g.MeasureString(decValue.ToString("0.##"), this.Font);
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float fltFY1 = (float)(m_rectWorking.Top - txtSize.Height / 2 + m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 20) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
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float fltFX1 = (float)(m_rectWorking.Left - txtSize.Width / 2 + (m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 20) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
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g.DrawString(decValue.ToString("0.##"), Font, new SolidBrush(scaleValueColor), fltFX1, fltFY1);
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}
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}
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else
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{
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fltY2 = (float)(m_rectWorking.Top + m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 5) * Math.Sin(Math.PI * (fltAngle / 180.00F))));
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fltX2 = (float)(m_rectWorking.Left + (m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 5) * Math.Cos(Math.PI * (fltAngle / 180.00F)))));
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}
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g.DrawLine(new Pen(new SolidBrush(scaleColor), i % 2 == 0 ? 2 : 1), new PointF(fltX1, fltY1), new PointF(fltX2, fltY2));
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}
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//值文字和固定文字
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if (textLocation != MeterTextLocation.None)
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{
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string str = m_value.ToString("0.##");
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var txtSize = g.MeasureString(str, textFont);
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float fltY = m_rectWorking.Top + m_rectWorking.Width / 4 - txtSize.Height / 2;
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float fltX = m_rectWorking.Left + m_rectWorking.Width / 2 - txtSize.Width / 2;
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g.DrawString(str, textFont, new SolidBrush(textColor), new PointF(fltX, fltY));
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if (!string.IsNullOrEmpty(fixedText))
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{
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str = fixedText;
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txtSize = g.MeasureString(str, textFont);
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fltY = m_rectWorking.Top + m_rectWorking.Width / 4 + txtSize.Height / 2;
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fltX = m_rectWorking.Left + m_rectWorking.Width / 2 - txtSize.Width / 2;
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g.DrawString(str, textFont, new SolidBrush(textColor), new PointF(fltX, fltY));
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}
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}
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//画指针
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g.FillEllipse(new SolidBrush(Color.FromArgb(100, pointerColor.R, pointerColor.G, pointerColor.B)), new Rectangle(m_rectWorking.Left + m_rectWorking.Width / 2 - 10, m_rectWorking.Top + m_rectWorking.Width / 2 - 10, 20, 20));
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g.FillEllipse(new SolidBrush(pointerColor), new Rectangle(m_rectWorking.Left + m_rectWorking.Width / 2 - 5, m_rectWorking.Top + m_rectWorking.Width / 2 - 5, 10, 10));
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float fltValueAngle = (fltStartAngle + ((float)(m_value - minValue) / (float)(maxValue - minValue)) * (float)meterDegrees - 180) % 360;
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float intValueY1 = (float)(m_rectWorking.Top + m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 30) * Math.Sin(Math.PI * (fltValueAngle / 180.00F))));
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float intValueX1 = (float)(m_rectWorking.Left + (m_rectWorking.Width / 2 - ((m_rectWorking.Width / 2 - 30) * Math.Cos(Math.PI * (fltValueAngle / 180.00F)))));
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g.DrawLine(new Pen(new SolidBrush(pointerColor), 3), intValueX1, intValueY1, m_rectWorking.Left + m_rectWorking.Width / 2, m_rectWorking.Top + m_rectWorking.Width / 2);
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}
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}
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/// <summary>
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/// Enum MeterTextLocation
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/// </summary>
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public enum MeterTextLocation
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{
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/// <summary>
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/// The none
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/// </summary>
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None,
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/// <summary>
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/// The top
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/// </summary>
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Top,
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/// <summary>
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/// The bottom
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/// </summary>
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Bottom
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}
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}
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