C#

public class MyClass : ICustomTypeDescriptor
{
  // Below is one method defined by ICustomTypeDescriptor that you must implement.
  // Since default functionality would suffice, you use TypeDescriptor.
  public TypeConverter GetConverter()
  {
    return TypeDescriptor.GetConverter(this, true);
  }
 
  // Implement other methods defined by the ICustomTypeDescriptor interface...
 
  public PropertyDescriptorCollection GetProperties()
  {
    return GetProperties(null);
  }
  public PropertyDescriptorCollection GetProperties(Attribute[] filter)
  {
    // Instantiate separate instances of your custom PropertyDescriptor
    // and add to a new PropertyDescriptorCollection that you return when done.
  }
}

<br />
private void Form1_Load(object sender, System.EventArgs e)<br />
		{<br />
			double[] dData1 = new double[100];<br />
			double[] dData2 = new double[100];<br />
<br />
			DataTable dt = new DataTable();<br />
			DataRow dr;<br />
			DataGridTableStyle ts1 = new DataGridTableStyle();<br />
			DataGridColumnStyle boolCol = new DataGridBoolColumn();<br />
<br />
			dt.Columns.Add(new DataColumn("Index", typeof(int)));<br />
			dt.Columns.Add(new DataColumn("Sinve Values", typeof(float)));<br />
			dt.Columns.Add(new DataColumn("Cosine Values", typeof(float)));<br />
			<br />
			ts1.MappingName = "Index";<br />
			boolCol.MappingName = "Index";<br />
			boolCol.Width = 20;<br />
			ts1.GridColumnStyles.Add(boolCol); <br />
			dataGrid1.TableStyles.Add(ts1);<br />
		<br />
			for(int i=0;i<100;i++)<br />
			{<br />
				dData1[i] = Math.Sin(0.1*i);<br />
				dData2[i] = Math.Cos(0.2*i);<br />
				dr = dt.NewRow();<br />
				dt.Rows.Add(dr);<br />
				dr[0] = i;;<br />
				dr[1] = dData1[i];<br />
				dr[2] = dData2[i];			<br />
			}			<br />
			dataGrid1.DataSource = new DataView(dt);     <br />
			waveformPlot1.PlotY(dData1);<br />
			waveformPlot2.PlotY(dData2);<br />
		}<br />

    double[] dData1 = new double[100];
    double[] dData2 = new double[100];
 
    DataTable dt = new DataTable("Test");
    DataRow dr;
    DataGridTableStyle ts1 = new DataGridTableStyle();
    ts1.MappingName = dt.TableName;
 
    DataGridColumnStyle boolCol = new DataGridBoolColumn();
 
    dt.Columns.Add("Index", typeof(int));
    dt.Columns.Add("Sinve Values", typeof(float));
    dt.Columns.Add("Cosine Values", typeof(float));
 
    boolCol.MappingName = "Index";
    boolCol.Width = 20;
    ts1.GridColumnStyles.Add(boolCol);
    dataGrid1.TableStyles.Add(ts1);
 
    for (int i=0; i<100; i++)
    {
      dData1[i] = Math.Sin(0.1*i);
      dData2[i] = Math.Cos(0.2*i);
      dr = dt.NewRow();
      dt.Rows.Add(dr);
      dr[0] = i;
      dr[1] = dData1[i];
      dr[2] = dData2[i];
    }
 
    dataGrid1.DataSource = dt;

public struct Data
{
  public int Index;
  public double Sinve;
  public double Cosine;
}

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grdStudents.Source = dtStudents(); //This works fine displays the data ok <br />
grdReflesh();