//private Font font = new Font("Segoe Script", 12, FontStyle.Regular);
private void controler_TextNeeded(object sender, TextNeededEventArgs e)
{
e.Element.BackColor = ColorTranslator.FromHtml("#ffffff");
//e.Element.ForeColor = ColorTranslator.FromHtml("#bb2525");
e.Element.BorderColor = ColorTranslator.FromHtml("#000000");
e.Element.Padding = new Padding(10);
//e.Element.Font = font;
//e.Element.NumberOfColors = 1;
e.Element.BorderGradientStyle = Telerik.WinControls.GradientStyles.Solid;
ScatterDataPoint dataPoint = e.Points[3].DataPoint as ScatterDataPoint;
e.Text = $@"<html><color='gray'>HRS:{dataPoint.XValue} Consumption:{dataPoint.YValue.Value:F}";
}
void trackball_TextNeeded(object sender, TextNeededEventArgs e)
{
ChartBusinessObject dataItem = e.Points[0].DataPoint.DataItem as ChartBusinessObject;
if (dataItem == null)
{
return;
}
StringBuilder textBuilder = new StringBuilder();
textBuilder.Append("<html><color=255,0,0,0>");
textBuilder.Append(String.Format("Online users at {0:HH}h:<b>{1}</b>", dataItem.Category, dataItem.Value));
textBuilder.Append("</html>");
e.Text = textBuilder.ToString();
e.Element.BorderBoxStyle = BorderBoxStyle.FourBorders;
e.Element.Location = new Point(e.Element.Location.X, 0);
}
void trackBallElement_TextNeeded(object sender, TextNeededEventArgs e)
{
e.Text = "<html><color=black>" + e.Points[0].DataPoint.Label.ToString() + "\nUSD";
}
