WPF Slider Tickbar 中显示数值

class CustomTickBar : TickBar
{
 protected override void OnRender(System.Windows.Media.DrawingContext dc)
 {
  double num = this.Maximum - this.Minimum;
  double y = this.ReservedSpace * 0.5;
  FormattedText formattedText = null;
  double x = 0;
  for(double i = 0; i <= num; i += this.TickFrequency)
  {
   formattedText = new FormattedText(i.ToString(), FlowDirection.LeftToRight, 
    new Typeface("Verdana"), 8, Brushes.Black);
   if(this.Minimum == i)
    x = 0;
   else
    x += this.ActualWidth / (num / this.TickFrequency) ;

if (i == this.Maximum)
                {
                    x = x - 5;//减去5，防止最后数字不显示
                } 

   dc.DrawText(formattedText, new Point(x, 10)); 
  }
 }
}

public class CustomTickBar:TickBar
{
    protected override void OnRender(DrawingContext dc)
    {
        Size size = new Size (base.ActualWidth,base.ActualHeight);

        int tickCount = (int)((this.Maximum - this.Minimum) / this.TickFrequency)+1;

        if ((this.Maximum - this.Minimum) % this.TickFrequency == 0)

            tickCount -= 1;

        Double tickFrequencySize;

        // Calculate tick's setting

        tickFrequencySize = (size.Width * this.TickFrequency / (this.Maximum - this.Minimum));

        string text = "";

        FormattedText formattedText = null;

        double num = this.Maximum - this.Minimum;

        int i = 0;

        // Draw each tick text

        for (i = 0;i <= tickCount;i++)
        {
            text = Convert.ToString (Convert.ToInt32 (this.Minimum + this.TickFrequency * i),10);

            //g.DrawString(text, font, brush, drawRect.Left + tickFrequencySize * i, drawRect.Top + drawRect.Height/2, stringFormat);

            formattedText = new FormattedText (text,CultureInfo.GetCultureInfo ("en-us"),FlowDirection.LeftToRight,new Typeface ("Verdana"),8,Brushes.Black);

            dc.DrawText (formattedText,new Point ((tickFrequencySize * i),30));
        }

    }
}

public class CustomTickBar : TickBar
    {
        protected override void OnRender(DrawingContext dc)
        {
            Size size = new Size(base.ActualWidth, base.ActualHeight); 
            int tickCount = (int)((this.Maximum - this.Minimum) / this.TickFrequency) + 1;
            if ((this.Maximum - this.Minimum) % this.TickFrequency == 0)
                tickCount -= 1;
            Double tickFrequencySize; 
            // Calculate tick's setting 
            tickFrequencySize = (size.Width * this.TickFrequency / (this.Maximum - this.Minimum));
            string text = ""; 
            FormattedText formattedText = null; 
            double num = this.Maximum - this.Minimum; 
            int i = 0; 
            // Draw each tick text 
            for (i = 0; i <= tickCount; i++)
            {
                text = Convert.ToString(Convert.ToInt32(this.Minimum + this.TickFrequency * i), 10);
                //g.DrawString(text, font, brush, drawRect.Left + tickFrequencySize * i, drawRect.Top + drawRect.Height/2, stringFormat);
                formattedText = new FormattedText(text, CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, new Typeface("Verdana"), 8, Brushes.Black);

                double x = tickFrequencySize * i;
                double y = 5;
                if (i == this.Maximum)
                {
                    x = x - 5;
                }
                Pen pen = new Pen(Brushes.Red,2);
                dc.DrawLine(pen, new Point(x+2, 0), new Point(x+2,y));
                dc.DrawText(formattedText, new Point(x, y));
            }

        }
    }