private void PieGraph_CheckedChanged(object sender, System.EventArgs e)
{
if(PieGraph.Checked)
{
if(BarGraph.Checked)
{
BarGraph.Checked=false;
}
if(btnAverages.Enabled)
{
if(m_source!=null)
{
m_source=null;
}
try
{
m_source=fillDataSource();
psLegendPanel.Refresh();
initializeClientChart(new Piechart(canvasPanel.Size));
}
catch(Exception ex)
{
MessageBox.Show ("Unable to draw the chart.The selected column may not have numeric values.\n"+ex.Message,"Error!");
}
}
m_hashTable.Clear();
}
}
private DefaultDataSource fillDataSource()
{
DefaultDataSource source = new DefaultDataSource();
Series series = new Series();
source.add(series);
updateCumulativeData();
if(m_hashTable.Count>26)
{
psLegendPanel.PanelState =PSUI.PSPanelState.Expanded ;
double sizeMark=m_hashTable.Count/26.000 ;
psLegendPanel.Height=Convert.ToInt32(System.Math.Ceiling(sizeMark)*550);
psLegendPanel.Refresh();
}
foreach(object key in m_hashTable.Keys)
{
series.add(new DataPoint(Convert.ToString(key),(float)Convert.ToDouble(m_hashTable[key]),Color.FromArgb(randomizer.Next(255),randomizer.Next(255),randomizer.Next(255))));
}
return source;
}