protected void UpdateScaleBreaks()
{
// read the form control values
float horzStep;
if (!float.TryParse(horzStepTextBox.Text, out horzStep) || horzStep < 0 || horzStep > 50)
{
horzStep = 20f;
horzStepTextBox.Text = horzStep.ToString();
}
float vertStep;
if (!float.TryParse(vertStepTextBox.Text, out vertStep) || vertStep < 0 || vertStep > 50)
{
vertStep = 3f;
vertStepTextBox.Text = vertStep.ToString();
}
float length;
if (!float.TryParse(lengthTextBox.Text, out length) || length < 0 || length > 50)
{
length = 0;
lengthTextBox.Text = length.ToString();
}
// update scale breaks
NChart chart = nChartControl1.Charts[0];
NLinearScaleConfigurator scale = chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator as NLinearScaleConfigurator;
NScaleBreakStyle oldScaleBreakStyle = null;
if (scale.ScaleBreaks.Count > 0)
{
oldScaleBreakStyle = ((NScaleBreak)scale.ScaleBreaks[0]).Style;
}
scale.ScaleBreaks.Clear();
NScaleBreakStyle newScaleBreakStyle = null;
switch (styleDropDownList.SelectedIndex)
{
case 0: // Line
newScaleBreakStyle = new NLineScaleBreakStyle();
break;
case 1: // Waves
newScaleBreakStyle = new NWaveScaleBreakStyle();
break;
case 2: // ZigZag
newScaleBreakStyle = new NZigZagScaleBreakStyle();
break;
}
// try to preserve fill and stroke settings
if (newScaleBreakStyle != null)
{
if (oldScaleBreakStyle != null)
{
newScaleBreakStyle.InitFrom(oldScaleBreakStyle);
}
// update the length of the scale break
newScaleBreakStyle.Length = new NLength(length, NGraphicsUnit.Point);
// update paramers relevant to pattern scale break appearance
NPatternScaleBreakStyle patternScaleBreakStyle = newScaleBreakStyle as NPatternScaleBreakStyle;
bool enablePatternControls = patternScaleBreakStyle != null;
if (patternScaleBreakStyle != null)
{
patternScaleBreakStyle.HorzStep = new NLength(horzStep);
patternScaleBreakStyle.VertStep = new NLength(vertStep);
patternScaleBreakStyle.Pattern = (ScaleBreakPattern)Enum.Parse(typeof(ScaleBreakPattern), patternDropDownList.SelectedItem.Text);
}
scale.ScaleBreaks.Add(new NAutoScaleBreak(newScaleBreakStyle, 0.4f));
}
}
private void UpdateScaleBreak()
{
NChart chart = nChartControl1.Charts[0];
NLinearScaleConfigurator scale = chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator as NLinearScaleConfigurator;
NScaleBreakStyle oldScaleBreakStyle = null;
if (scale.ScaleBreaks.Count > 0)
{
oldScaleBreakStyle = ((NScaleBreak)scale.ScaleBreaks[0]).Style;
}
scale.ScaleBreaks.Clear();
NScaleBreakStyle newScaleBreakStyle = null;
switch (ScaleBreakStyleComboBox.SelectedIndex)
{
case 0: // Line
newScaleBreakStyle = new NLineScaleBreakStyle();
break;
case 1: // Waves
newScaleBreakStyle = new NWaveScaleBreakStyle();
break;
case 2: // ZigZag
newScaleBreakStyle = new NZigZagScaleBreakStyle();
break;
}
// try to preserve fill and stroke settings
if (newScaleBreakStyle != null)
{
if (oldScaleBreakStyle != null)
{
newScaleBreakStyle.InitFrom(oldScaleBreakStyle);
}
else
{
newScaleBreakStyle.FillStyle = new NGradientFillStyle(GradientStyle.Vertical, GradientVariant.Variant2, Color.LightGray, Color.White);
}
// update the length of the scale break
newScaleBreakStyle.Length = new NLength((float)LengthUpDown.Value, NGraphicsUnit.Point);
// update paramers relevant to pattern scale break appearance
NPatternScaleBreakStyle patternScaleBreakStyle = newScaleBreakStyle as NPatternScaleBreakStyle;
bool enablePatternControls = patternScaleBreakStyle != null;
if (patternScaleBreakStyle != null)
{
patternScaleBreakStyle.HorzStep = new NLength((float)HorzStepNumericUpDown.Value);
patternScaleBreakStyle.VertStep = new NLength((float)VertStepNumericUpDown.Value);
patternScaleBreakStyle.Pattern = (ScaleBreakPattern)PatternComboBox.SelectedIndex;
}
HorzStepNumericUpDown.Enabled = enablePatternControls;
VertStepNumericUpDown.Enabled = enablePatternControls;
PatternComboBox.Enabled = enablePatternControls;
scale.ScaleBreaks.Add(new NAutoScaleBreak(newScaleBreakStyle, 0.4f));
}
nChartControl1.Refresh();
}