//外環(huán)寬度
private float outWidth = 4.0f;
[Browsable(true)]
[Category("布局_G")]
[Description("外環(huán)的寬度")]
public float OutWidth
{
    get { return outWidth; }
    set
    {
         if (value <=0||value<0.1*this.Width ) return;
        outWidth = value; this.Invalidate();
    }
}

//顏色（Color）——備注：寫(xiě)5種顏色屬性（灰色=Gray、棕色=DarkGoldenrod、紅色=Red、藍(lán)色=Blue、綠色=limeGreen<比Green好看些>）
private Color zcolor1 = Color.Gray;   //灰色.......寫(xiě)5種
 [Browsable(true)]
 [Category("布局_G")]
 [Description("顏色1")]
 public Color ZColor1
 {
     get { return zcolor1; }
     set { zcolor1 = value; this.Invalidate(); }
 }
//當(dāng)前顏色獲取（定義一個(gè)私有方法）（Int）
  private Color GetCurColor()
  {
      List<Color> colors = new List<Color>();
      colors.Add(zcolor1);
      colors.Add(zcolor2);
      colors.Add(zcolor3);
      colors.Add(zcolor4);
      colors.Add(zcolor5);
      return colors[curValue];
  }
//間隙（float）,屬性都是一個(gè)樣往下敲就是
注意：間隙設(shè)置值的范圍（外環(huán)間隙要小于內(nèi)圓間隙）

Color getCurColor = GetCurColor();  //獲取當(dāng)前顏色
//繪制外環(huán)（DrawEllipse-用筆畫(huà)橢圓）
p = new Pen(getCurColor, outWidth);
RectangleF rec = new RectangleF(this.gapOut, this.gapOut, this.width - 2 * this.gapOut, this.height - 2 * gapOut);
g.DrawEllipse(p, rec);
//繪制內(nèi)圓（FillEllipse-填充橢圓內(nèi)部）
sb = new SolidBrush(getCurColor);
rec = new RectangleF(gapIn, gapIn, this.width - 2 * this.gapIn, this.height - 2 * gapIn);
g.FillEllipse(sb, rec);

if (this.flickerAct == true)
{
    if (this.blink == true)  //將blink標(biāo)志位在定時(shí)器的Tick方法中取反 （blink=！blink）
    {
        sb = new SolidBrush(zcolor6);  //zcolor6為透明色
    }
    else
    {
        sb = new SolidBrush(getCurColor);  //getCurColor為當(dāng)前色
    }
}
else
{
    sb = new SolidBrush(getCurColor);  //不閃爍就定義當(dāng)前色畫(huà)刷
}
rec = new RectangleF(gapIn, gapIn, this.width - 2 * this.gapIn, this.height - 2 * gapIn);
g.FillEllipse(sb, rec);

 private void MyTimer_Tick(object sender, EventArgs e)  //定時(shí)器Tick事件方法
 {
     if (this.flickerVis == true)
     {
         //顯隱控件
         this.Visible=!this.Visible;  //整體閃爍只定義Visible即可
         this.blink=false;
     }
     else
     {
         //內(nèi)圓閃爍標(biāo)志
         this.blink = !this.blink;
     }
     this.Invalidate();
 }

private bool flickerAct = false;
[Browsable(true)]
[Category("布局_G")]
[Description("是否閃爍")]
public bool FlickerAct
{
    get { return flickerAct; }
    set
    {
        if (value == true)
        {
            myTimer.Interval = this.flickerFre;  //傳遞給定時(shí)器Interval 一個(gè)int（毫秒刷新率）值即可
            this.myTimer.Start();  //閃爍定時(shí)器開(kāi)始
        }
        else
        {
            this.myTimer.Stop();  //不閃爍定時(shí)器停止；同時(shí)將標(biāo)志位、顯示置為默認(rèn)值
            this.blink = false;
            this.Visible = true;
        }
        flickerAct = value; this.Invalidate();
    }
}

  private void led1_Load(object sender, EventArgs e)
  {
      bool b = false;
      //三元運(yùn)算定義兩種顏色即可
      this.led1.CurValue = b ? 2 : 3; 
  }