MSChart(Microsoft Chart Controls)图表中的点击和选择

this.Chart1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Chart1_MouseDown);
    private void Chart1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            // Call Hit Test Method
            HitTestResult result = Chart1.HitTest( e.X, e.Y );
            if( result.ChartElementType == ChartElementType.DataPoint )
            {
                //Create Dialog
                Dialog dlg = new Dialog();
                dlg.ChartRef = Chart1;
                dlg.pointIndex = result.PointIndex;
                dlg.ShowDialog(this);
            }
            else if( result.ChartElementType != ChartElementType.Nothing )
            {
                string elementType = result.ChartElementType.ToString();
                MessageBox.Show( this, "Selected Element is: " + elementType );
            }
        }

this.Chart1.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Chart1_MouseMove);
private void Chart1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            // Call Hit Test Method
            HitTestResult result = Chart1.HitTest( e.X, e.Y );
            
            // If a Data Point or a Legend item is selected.
            if(     result.ChartElementType == ChartElementType.DataPoint ||
                result.ChartElementType == ChartElementType.LegendItem ||
                result.ChartElementType == ChartElementType.DataPointLabel )
            {                
                // Set cursor type 
                this.Cursor = Cursors.Hand;
            }
            else if( result.ChartElementType != ChartElementType.Nothing &&
                result.ChartElementType != ChartElementType.PlottingArea )
            {
                // Set cursor type 
                this.Cursor = Cursors.Hand;
            }
            else
            {
                // Set default cursor
                this.Cursor = Cursors.Default;
            }
        }