private void chartControl1_CustomDrawCrosshair(object sender, CustomDrawCrosshairEventArgs e)
{
if (!handleCustomDraw)
{
return;
}
// Specify the crosshair argument line color, dash style and thickness.
e.CrosshairLineElement.Brush = Brushes.Aqua;
e.CrosshairLineElement.LineStyle.DashStyle = DashStyles.DashDot;
e.CrosshairLineElement.LineStyle.Thickness = 3;
// Specify the back color for crosshair argument label.
foreach (CrosshairAxisLabelElement axisLabelElement in e.CrosshairAxisLabelElements)
{
axisLabelElement.Background = Brushes.Blue;
}
foreach (CrosshairElementGroup group in e.CrosshairElementGroups)
{
CrosshairElement element = group.CrosshairElements[0];
// Specify the color, dash style and thickness for the crosshair value lines.
element.LineElement.Brush = Brushes.DarkViolet;
element.LineElement.LineStyle.DashStyle = DashStyles.Dash;
element.LineElement.LineStyle.Thickness = 2;
// Specify the font size and background for the crosshair value labels.
element.AxisLabelElement.FontSize = 14;
element.AxisLabelElement.Background = Brushes.Red;
// Specify the foreground and font size for the crosshair cursor label that shows series.
if (element.SeriesPoint.Value > 50)
{
element.LabelElement.Foreground = Brushes.Green;
element.LabelElement.FontSize = 14;
}
}
foreach (CrosshairElementGroup group in e.CrosshairElementGroups)
{
CrosshairGroupHeaderElement groupHeaderElement = group.HeaderElement;
// Specify the text, text color and font for the crosshair group header element.
groupHeaderElement.Text = "Custom draw";
groupHeaderElement.Foreground = Brushes.Red;
groupHeaderElement.FontSize = 15;
}
}
private void OnChartControlCustomDrawCrosshair(object sender, CustomDrawCrosshairEventArgs e)
{
// Specify the crosshair argument line color, dash style and thickness.
e.CrosshairLineElement.Color = Color.Green;
e.CrosshairLineElement.LineStyle.DashStyle = DashStyle.DashDot;
e.CrosshairLineElement.LineStyle.Thickness = 3;
// Specify the back color for the crosshair argument axis label.
foreach (CrosshairAxisLabelElement axisLabelElement in e.CrosshairAxisLabelElements)
{
axisLabelElement.BackColor = Color.Blue;
}
foreach (CrosshairElementGroup group in e.CrosshairElementGroups)
{
CrosshairGroupHeaderElement groupHeaderElement = group.HeaderElement;
// Specify the text, text color and font for the crosshair group header element.
groupHeaderElement.Text = "Custom draw";
groupHeaderElement.TextColor = Color.Green;
groupHeaderElement.Font = SystemFonts.DefaultFont;
// Obtain the first series.
CrosshairElement element = group.CrosshairElements[0];
// Specify the color, dash style and thickness for the crosshair value lines.
element.LineElement.Color = Color.DarkViolet;
element.LineElement.LineStyle.DashStyle = DashStyle.Dash;
element.LineElement.LineStyle.Thickness = 2;
// Specify the text color and back color for the crosshair value labels.
element.AxisLabelElement.TextColor = Color.Red;
element.AxisLabelElement.BackColor = Color.Yellow;
// Format the text shown for the series in the crosshair cursor label. Specify the text color and marker size.
element.LabelElement.TextColor = Color.Red;
element.LabelElement.MarkerSize = new Size(15, 15);
element.LabelElement.Text = string.Format("{0}: A={1}; V={2}", element.Series.Name, element.SeriesPoint.Argument, element.SeriesPoint.Values[0]);
}
}
protected void Mychart_CustomCrosshairsPoint(object sender, CustomDrawCrosshairEventArgs e)
{
e.CrosshairLineElement.Color = Color.Green;
e.CrosshairLineElement.LineStyle.DashStyle = DashStyle.DashDot;
e.CrosshairLineElement.LineStyle.Thickness = 3;
// Specify the back color for crosshair argument label.
foreach (CrosshairAxisLabelElement axisLabelElement in e.CrosshairAxisLabelElements)
{
axisLabelElement.BackColor = Color.Blue;
}
foreach (CrosshairElementGroup group in e.CrosshairElementGroups)
{
CrosshairElement element = group.CrosshairElements[0];
// Specify the color, dash style and thickness for the crosshair value lines.
element.LineElement.Color = Color.DarkViolet;
element.LineElement.LineStyle.DashStyle = DashStyle.Dash;
element.LineElement.LineStyle.Thickness = 2;
// Specify the text color and back color for the crosshair value labels.
element.AxisLabelElement.TextColor = Color.Red;
element.AxisLabelElement.BackColor = Color.Yellow;
// Specify the text color and marker size for the crosshair cursor label that shows series.
element.LabelElement.TextColor = Color.Red;
element.LabelElement.MarkerSize = new Size(15, 15);
}
foreach (CrosshairElementGroup group in e.CrosshairElementGroups)
{
CrosshairGroupHeaderElement groupHeaderElement = group.HeaderElement;
// Specify the text, text color and font for the crosshair group header element.
groupHeaderElement.Text = "Custom draw";
groupHeaderElement.TextColor = Color.Green;
//groupHeaderElement.Font = new Font(this.Font, FontStyle.Bold);
}
}
