Steema Central

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Steema.TeeChart.Styles;

namespace WindowsFormsApplication1
{
  public partial class Form1 : Form
  {
    string _text = "test";
    public Form1()
    {
      InitializeComponent();
      Shape shape = new Shape(tChart1.Chart);
      shape.Text = new string[1];
      shape.Add(0, 0);
      shape.Add(1, 1);
      shape.AfterDrawValues += new Steema.TeeChart.PaintChartEventHandler(shape_AfterDrawValues);
      shape = new Shape(tChart1.Chart);
      shape.Add(1, 1);
      shape.Add(100, 100);
      shape.Text = new string[1];
      shape.AfterDrawValues += new Steema.TeeChart.PaintChartEventHandler(shape_AfterDrawValues);
    
    }

    void shape_AfterDrawValues(object sender, Steema.TeeChart.Drawing.Graphics3D g)
    {
      Shape shape = sender as Shape;
      int size = Math.Abs(shape.CalcYPos(0) - shape.CalcYPos(1));
      double fsize = g.TextHeight(shape.Font, _text);
      if (size + 4 < fsize)
        shape.Text[0] = "";
      else
        shape.Text[0] = _text;
      shape.RefreshSeries();
    }
  }
}