前提

成都創(chuàng)新互聯(lián)主營合陽網(wǎng)站建設(shè)的網(wǎng)絡(luò)公司,主營網(wǎng)站建設(shè)方案,app軟件開發(fā),合陽h5小程序制作搭建,合陽網(wǎng)站營銷推廣歡迎合陽等地區(qū)企業(yè)咨詢

入行已經(jīng)7,8年了，一直想做一套漂亮點的自定義控件，于是就有了本系列文章。

GitHub：https://github.com/kwwwvagaa/NetWinformControl

碼云：https://gitee.com/kwwwvagaa/net_winform_custom_control.git

NuGet

Install-Package HZH_Controls

目錄

https://www.cnblogs.com/bfyx/p/11364884.html

用處及效果

準備工作

依然使用GDI+畫的，不懂的話就百度一下吧

另外主要用到了三角函數(shù)，如果不懂，可以向初中的數(shù)學老師再問問（你也可以百度一下）

開始

添加一個類UCMeter 繼承 UserControl

首先添加一個需要控制的屬性

private int splitCount = 10;
     /// <summary>
     /// Gets or sets the split count.
     /// </summary>
     /// <value>The split count.</value>
     [Description("分隔刻度數(shù)量，>1"), Category("自定義")]
     public int SplitCount
     {
       get { return splitCount; }
      set
      {
        if (value < 1)
          return;
        splitCount = value;
        Refresh();
      }
    }
    private int meterDegrees = 150;
    /// <summary>
    /// Gets or sets the meter degrees.
    /// </summary>
    /// <value>The meter degrees.</value>
    [Description("表盤跨度角度，0-360"), Category("自定義")]
    public int MeterDegrees
    {
      get { return meterDegrees; }
      set
      {
        if (value > 360 || value <= 0)
          return;
        meterDegrees = value;
        Refresh();
      }
    }
    private decimal minValue = 0;
    /// <summary>
    /// Gets or sets the minimum value.
    /// </summary>
    /// <value>The minimum value.</value>
    [Description("最小值,<MaxValue"), Category("自定義")]
    public decimal MinValue
    {
      get { return minValue; }
      set
      {
        if (value >= maxValue)
          return;
        minValue = value;
        Refresh();
      }
    }
    private decimal maxValue = 100;
    /// <summary>
    /// Gets or sets the maximum value.
    /// </summary>
    /// <value>The maximum value.</value>
    [Description("大值,>MinValue"), Category("自定義")]
    public decimal MaxValue
    {
      get { return maxValue; }
      set
      {
        if (value <= minValue)
          return;
        maxValue = value;
        Refresh();
      }
    }
    /// <summary>
    /// 獲取或設(shè)置控件顯示的文字的字體。
    /// </summary>
    /// <value>The font.</value>
    /// <PermissionSet>
    ///  <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
    ///  <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
    ///  <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
    ///  <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
    /// </PermissionSet>
    [Description("刻度字體"), Category("自定義")]
    public override Font Font
    {
      get
      {
        return base.Font;
      }
      set
      {
        base.Font = value;
        Refresh();
      }
    }
    private decimal m_value = 0;
    /// <summary>
    /// Gets or sets the value.
    /// </summary>
    /// <value>The value.</value>
    [Description("值，>=MinValue并且<=MaxValue"), Category("自定義")]
    public decimal Value
    {
      get { return m_value; }
      set
      {
        if (value < minValue || value > maxValue)
          return;
        m_value = value;
        Refresh();
      }
    }
    private MeterTextLocation textLocation = MeterTextLocation.None;
    /// <summary>
    /// Gets or sets the text location.
    /// </summary>
    /// <value>The text location.</value>
    [Description("值和固定文字顯示位置"), Category("自定義")]
    public MeterTextLocation TextLocation
    {
      get { return textLocation; }
      set
      {
        textLocation = value;
        Refresh();
      }
    }
    private string fixedText;
    /// <summary>
    /// Gets or sets the fixed text.
    /// </summary>
    /// <value>The fixed text.</value>
    [Description("固定文字"), Category("自定義")]
    public string FixedText
    {
      get { return fixedText; }
      set
      {
        fixedText = value;
        Refresh();
      }
    }
    private Font textFont = DefaultFont;
    /// <summary>
    /// Gets or sets the text font.
    /// </summary>
    /// <value>The text font.</value>
    [Description("值和固定文字字體"), Category("自定義")]
    public Font TextFont
    {
      get { return textFont; }
      set
      {
        textFont = value;
        Refresh();
      }
    }
    private Color externalRoundColor = Color.FromArgb(255, 77, 59);
    /// <summary>
    /// Gets or sets the color of the external round.
    /// </summary>
    /// <value>The color of the external round.</value>
    [Description("外圓顏色"), Category("自定義")]
    public Color ExternalRoundColor
    {
      get { return externalRoundColor; }
      set
      {
        externalRoundColor = value;
        Refresh();
      }
    }
    private Color insideRoundColor = Color.FromArgb(255, 77, 59);
    /// <summary>
    /// Gets or sets the color of the inside round.
    /// </summary>
    /// <value>The color of the inside round.</value>
    [Description("內(nèi)圓顏色"), Category("自定義")]
    public Color InsideRoundColor
    {
      get { return insideRoundColor; }
      set
      {
        insideRoundColor = value;
        Refresh();
      }
    }
    private Color boundaryLineColor = Color.FromArgb(255, 77, 59);
    /// <summary>
    /// Gets or sets the color of the boundary line.
    /// </summary>
    /// <value>The color of the boundary line.</value>
    [Description("邊界線顏色"), Category("自定義")]
    public Color BoundaryLineColor
    {
      get { return boundaryLineColor; }
      set
      {
        boundaryLineColor = value;
        Refresh();
      }
    }
    private Color scaleColor = Color.FromArgb(255, 77, 59);
    /// <summary>
    /// Gets or sets the color of the scale.
    /// </summary>
    /// <value>The color of the scale.</value>
    [Description("刻度顏色"), Category("自定義")]
    public Color ScaleColor
    {
      get { return scaleColor; }
      set
      {
        scaleColor = value;
        Refresh();
      }
    }
    private Color scaleValueColor = Color.FromArgb(255, 77, 59);
    /// <summary>
    /// Gets or sets the color of the scale value.
    /// </summary>
    /// <value>The color of the scale value.</value>
    [Description("刻度值文字顏色"), Category("自定義")]
    public Color ScaleValueColor
    {
      get { return scaleValueColor; }
      set
      {
        scaleValueColor = value;
        Refresh();
      }
    }
    private Color pointerColor = Color.FromArgb(255, 77, 59);
    /// <summary>
    /// Gets or sets the color of the pointer.
    /// </summary>
    /// <value>The color of the pointer.</value>
    [Description("指針顏色"), Category("自定義")]
    public Color PointerColor
    {
      get { return pointerColor; }
      set
      {
        pointerColor = value;
        Refresh();
      }
    }
    private Color textColor = Color.FromArgb(255, 77, 59);
    /// <summary>
    /// Gets or sets the color of the text.
    /// </summary>
    /// <value>The color of the text.</value>
    [Description("值和固定文字顏色"), Category("自定義")]
    public Color TextColor
    {
      get { return textColor; }
      set
      {
        textColor = value;
        Refresh();
      }
    }

    Rectangle m_rectWorking;

另外有需要云服務(wù)器可以了解下創(chuàng)新互聯(lián)scvps.cn，海內(nèi)外云服務(wù)器15元起步，三天無理由+7*72小時售后在線，公司持有idc許可證，提供“云服務(wù)器、裸金屬服務(wù)器、高防服務(wù)器、香港服務(wù)器、美國服務(wù)器、虛擬主機、免備案服務(wù)器”等云主機租用服務(wù)以及企業(yè)上云的綜合解決方案，具有“安全穩(wěn)定、簡單易用、服務(wù)可用性高、性價比高”等特點與優(yōu)勢，專為企業(yè)上云打造定制，能夠滿足用戶豐富、多元化的應(yīng)用場景需求。

當前名稱：c#Winform自定義控件-儀表盤功能-創(chuàng)新互聯(lián)
網(wǎng)頁鏈接：http://chinadenli.net/article28/cophcp.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián)，為您提供App設(shè)計、搜索引擎優(yōu)化、移動網(wǎng)站建設(shè)、自適應(yīng)網(wǎng)站、微信小程序、外貿(mào)建站

廣告

聲明：本網(wǎng)站發(fā)布的內(nèi)容（圖片、視頻和文字）以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主，如果涉及侵權(quán)請盡快告知，我們將會在第一時間刪除。文章觀點不代表本網(wǎng)站立場，如需處理請聯(lián)系客服。電話：028-86922220；郵箱：631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載，或轉(zhuǎn)載時需注明來源： 創(chuàng)新互聯(lián)