public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
string res = null;
if (value is string)
{
DateTime labelValue = System.Convert.ToDateTime(value.ToString());
if (parameter.ToString().Equals("0"))
{
res = labelValue.ToString("hh:mm:ss");
}
else
{
res = labelValue.ToString("dd/MM");
}
}
else
{
ChartAxisLabel axlabel = value as ChartAxisLabel;
DateTime labelValue = System.Convert.ToDateTime(axlabel.LabelContent.ToString());
if (parameter.ToString().Equals("0"))
{
res = labelValue.ToString("hh:mm:ss");
}
else
{
res = labelValue.ToString("dd/MM");
}
}
return(res);
}
private void NumericalAxis_ActualRangeChanged(object sender, Syncfusion.UI.Xaml.Charts.ActualRangeChangedEventArgs e)
{
var axis = sender as NumericalAxis;
//Gets the collection of visible labels.
var labels = axis.VisibleLabels;
if (labels != null)
{
if (axis.CustomLabels.Count > 0)
{
axis.CustomLabels.Clear();
}
//To add the custom labels based on the position of visible labels.
for (int index = 0; index < labels.Count; index++)
{
var axisLabel = new ChartAxisLabel()
{
Position = labels[index].Position,//To set the position where the custom label should be placed.
//LabelContent = index//To set the content from which labels are to be taken.
};
axis.CustomLabels.Add(axisLabel);
}
}
}
internal static void GenerateScaleBreakVisibleLabels(NumericalAxis axis, object actualInterval, double smallTicksPerInterval)
{
var ranges = axis != null ? axis.AxisRanges : null;
if (ranges == null || ranges.Count == 0)
{
GenerateVisibleLabels(axis, axis.Minimum, axis.Maximum, axis.Interval, axis.SmallTicksPerInterval);
}
else
{
for (int i = 0; i < ranges.Count; i++)
{
var position = ranges[i].Start;
var interval = axis.CalculateActualInterval(
ranges[i],
axis.Orientation == Orientation.Vertical
? new Size(axis.AvailableSize.Width, axis.AxisLength[i])
: new Size(axis.AxisLength[i], axis.AvailableSize.Height));
if (!ranges[i].Inside(position))
{
continue;
}
for (; position <= ranges[i].End; position += interval)
{
axis.VisibleLabels.Add(new ChartAxisLabel(position, axis.GetActualLabelContent(position), position));
if (ranges[i].Delta == 0)
{
break;
}
if (axis.smallTicksRequired)
{
axis.AddSmallTicksPoint(position, interval);
}
}
if (ranges[i].End.Equals(position - interval))
{
continue;
}
var count = axis.VisibleLabels.Count;
var lastLabel = new ChartAxisLabel();
lastLabel.Position = ranges[i].End;
lastLabel.LabelContent = axis.GetActualLabelContent(ranges[i].End);
if (Convert.ToDouble(axis.VisibleLabels[count - 1].LabelContent) != ranges[i].End)
{
axis.VisibleLabels.Add(lastLabel);
}
}
}
}
/// <summary>
/// Converts a value from bool to Visibility.
/// </summary>
/// <param name="value">The value produced by the binding source.</param>
/// <param name="targetType">The type of the binding target property.</param>
/// <param name="parameter">The converter parameter to use.</param>
/// <param name="culture">The culture to use in the converter.</param>
/// <returns>
/// A converted value. If the method returns null, the valid null value is used.
/// </returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
ChartAxisLabel x = value as ChartAxisLabel;
if (x != null)
{
double v = System.Convert.ToDouble(x.LabelContent);
return(Math.Round(v / 100000, 1));
}
else
{
return(true);
}
}
private void DrawChart(DataTable dt, int index)
{
try
{
ChartSeries series = new ChartSeries();
series.Type = ChartSeriesType.Line;
chartControl1.PrimaryXAxis.TickLabelsDrawingMode = ChartAxisTickLabelDrawingMode.UserMode;
chartControl1.PrimaryXAxis.Labels.Clear();
chartControl1.PrimaryXAxis.LabelRotate = true;
chartControl1.PrimaryXAxis.LabelRotateAngle = 90;
chartControl1.PrimaryXAxis.AutoSize = true;
chartControl1.PrimaryXAxis.TickLabelsDrawingMode = ChartAxisTickLabelDrawingMode.UserMode;
chartControl1.PrimaryYAxis.AutoSize = false;
chartControl1.PrimaryYAxis.RangeType = ChartAxisRangeType.Set;
chartControl1.PrimaryYAxis.RangeType = ChartAxisRangeType.Auto;
Color[] color1 = new Color[] { Color.Yellow };
Color[] color2 = new Color[] { Color.DarkOrange };
if (index == MAXSERIES)
{
series.Style.Interior = new BrushInfo(GradientStyle.Horizontal, color1);
series.Style.Border.Width = 3;
}
else
{
series.Style.Interior = new BrushInfo(GradientStyle.Horizontal, color2);
series.Style.Border.Width = 1;
}
int i = 0;
double minval = 0;
double maxval = 0;
foreach (DataRow dr in dt.Rows)
{
double d = Convert.ToDouble(dr["fb(t)"]);
if (i == 0)
{
minval = d;
maxval = d;
}
else
{
minval = d < minval ? d : minval;
maxval = d > maxval ? d : maxval;
}
ChartAxisLabel label = new ChartAxisLabel(
dr["Tenor"].ToString(),
Color.White,
new Font("Verdana", 8),
i,
"",
ChartValueType.Custom);
chartControl1.PrimaryXAxis.Labels.Add(label);
series.Points.Add(i++, d);
}
//chartControl1.PrimaryYAxis.Range.Min = minval * .95;
//chartControl1.PrimaryYAxis.Range.Max = maxval * 1.05;
chartControl1.PrimaryYAxis.TickLabelsDrawingMode = ChartAxisTickLabelDrawingMode.BothUserAndAutomaticMode;
chartControl1.PrimaryYAxis.DesiredIntervals = 7;
txtTimestamp.Text = String.Format("Last Update: {0} {1}", DateTime.Now.ToShortDateString(), DateTime.Now.ToLongTimeString());
chartControl1.Series.Add(series);
}
catch (Exception ex)
{
Console.Write(ex);
}
}
