private void chartSelectRange_CustomPaint(object sender, CustomPaintEventArgs e)
{
if (Diagram == null)
{
return;
}
ControlCoordinates leftBottom = Diagram.DiagramToPoint(minRange,
Convert.ToDouble(Diagram.AxisY.VisualRange.MinValue));
ControlCoordinates leftTop = Diagram.DiagramToPoint(minRange,
Convert.ToDouble(Diagram.AxisY.VisualRange.MaxValue));
ControlCoordinates rightTop = Diagram.DiagramToPoint(maxRange,
Convert.ToDouble(Diagram.AxisY.VisualRange.MaxValue));
ControlCoordinates leftZero = Diagram.DiagramToPoint(Convert.ToDateTime(Diagram.AxisX.VisualRange.MinValue),
Convert.ToDouble(Diagram.AxisY.VisualRange.MaxValue));
ControlCoordinates rightMax = Diagram.DiagramToPoint(Convert.ToDateTime(Diagram.AxisX.VisualRange.MaxValue),
Convert.ToDouble(Diagram.AxisY.VisualRange.MaxValue));
int width = rightTop.Point.X - leftBottom.Point.X;
int height = leftBottom.Point.Y - leftTop.Point.Y;
SolidBrush highlight = new SolidBrush(Color.FromArgb(128, Color.LightGoldenrodYellow));
e.Graphics.FillRectangle(highlight, leftZero.Point.X, leftZero.Point.Y,
leftTop.Point.X - leftZero.Point.X - 1, height);
e.Graphics.FillRectangle(highlight, leftTop.Point.X + width + 1, leftTop.Point.Y,
rightMax.Point.X - rightTop.Point.X - 1, height);
}
private void chartControl1_CustomPaint(object sender, CustomPaintEventArgs e)
{
if (ShouldZoom())
{
DrawZoomBox(e);
}
}
private void waterfall_CustomPaint(object sender, CustomPaintEventArgs e)
{
CustomPaintEventHandler waterfallCustomPaint = this.WaterfallCustomPaint;
if (waterfallCustomPaint != null)
{
waterfallCustomPaint(sender, e);
}
}
private void spectrumAnalyzer_BackgroundCustomPaint(object sender, CustomPaintEventArgs e)
{
CustomPaintEventHandler spectrumAnalyzerBackgroundCustomPaint = this.SpectrumAnalyzerBackgroundCustomPaint;
if (spectrumAnalyzerBackgroundCustomPaint != null)
{
spectrumAnalyzerBackgroundCustomPaint(sender, e);
}
}
private void DrawZoomBox(CustomPaintEventArgs e)
{
int minX = Math.Min(FirstPoint.Value.X, SecondPoint.Value.X);
int minY = Math.Min(FirstPoint.Value.Y, SecondPoint.Value.Y);
int maxX = Math.Max(FirstPoint.Value.X, SecondPoint.Value.X);
int maxY = Math.Max(FirstPoint.Value.Y, SecondPoint.Value.Y);
e.Graphics.DrawRectangle(Pens.Black, minX, minY, maxX - minX, maxY - minY);
}
private void chart_CustomPaint(object sender, CustomPaintEventArgs e)
{
Graphics g = e.Graphics;
g.SetClip(CalculateDiagramBounds());
g.SmoothingMode = SmoothingMode.AntiAlias;
if (!_selectionRectangle.IsEmpty)
{
g.FillRectangle(new SolidBrush(SelectionRectColor), _selectionRectangle);
g.DrawRectangle(new Pen(SelectionRectBorderColor), _selectionRectangle);
}
}
// to draw the rectangle for the Zoom without Shift
public void OnCustomPaint(object sender, CustomPaintEventArgs e)
{
if (_selectionRectangle.IsEmpty)
{
return;
}
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.FillRectangle(new SolidBrush(_selectionRectColor), _selectionRectangle);
g.DrawRectangle(new Pen(_selectionRectBorderColor), _selectionRectangle);
}
void chartControl1_CustomPaint(object sender, CustomPaintEventArgs e)
{
DiagramCoordinates coords = Diagram.PointToDiagram(new Point(x, y));
if (coords.IsEmpty || chart.Series[0].Points.Count == 0)
{
return;
}
SeriesPoint nearestPoint = chart.Series[0].Points[0];
foreach (SeriesPoint point in chart.Series[0].Points)
{
if (point.NumericalArgument == coords.NumericalArgument)
{
nearestPoint = point;
break;
}
else if (Math.Abs(nearestPoint.NumericalArgument - coords.NumericalArgument) > Math.Abs(point.NumericalArgument - coords.NumericalArgument))
{
nearestPoint = point;
}
}
ControlCoordinates pointCoords = Diagram.DiagramToPoint(nearestPoint.NumericalArgument, nearestPoint.Values[0]);
ControlCoordinates leftBottom = Diagram.DiagramToPoint(AxisXRange.MinValueInternal, AxisYRange.MinValueInternal);
ControlCoordinates rightTop = Diagram.DiagramToPoint(AxisXRange.MaxValueInternal, AxisYRange.MaxValueInternal);
e.Graphics.DrawLine(Pens.Black, new Point(leftBottom.Point.X, pointCoords.Point.Y), new Point(rightTop.Point.X, pointCoords.Point.Y));
e.Graphics.DrawLine(Pens.Black, new Point(pointCoords.Point.X, rightTop.Point.Y), new Point(pointCoords.Point.X, leftBottom.Point.Y));
Rectangle markerRect = new Rectangle(pointCoords.Point.X - markerSize, pointCoords.Point.Y - markerSize, 2 * markerSize, 2 * markerSize);
e.Graphics.FillEllipse(Brushes.Red, markerRect);
e.Graphics.DrawEllipse(Pens.Black, markerRect);
string text = "(" + nearestPoint.NumericalArgument.ToString() + ", " + nearestPoint.Values[0].ToString() + ")";
SizeF textSize = e.Graphics.MeasureString(text, Font);
Rectangle rect = new Rectangle(pointCoords.Point.X + markerSize, pointCoords.Point.Y + markerSize, (int)Math.Ceiling(textSize.Width), (int)Math.Ceiling(textSize.Height));
e.Graphics.FillRectangle(Brushes.White, rect);
e.Graphics.DrawRectangle(Pens.Black, rect);
e.Graphics.DrawString(text, Font, Brushes.Black, rect);
}
private void chartControl1_CustomPaint(object sender, CustomPaintEventArgs e)
{
ChartControl chart = (ChartControl)sender;
Series series = chart.Series[0];
Point[] screenPoints = new Point[series.Points.Count];
for (int i = 0; i < series.Points.Count; i++)
{
screenPoints[i] =
((XYDiagram2D)chart.Diagram).DiagramToPoint(series.Points[i].Argument,
series.Points[i].Values[0]).Point;
}
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.FillPolygon(new SolidBrush(Color.LightGreen), screenPoints);
g.DrawPolygon(new Pen(Color.DarkGreen, 2), screenPoints);
}
private void chart_CustomPaint(object sender, CustomPaintEventArgs e)
{
// e.Graphics.DrawRectangle(Pens.White, 0, 0, 20, 20);
}
void IChartEventsProvider.OnCustomPaint(CustomPaintEventArgs e)
{
}
private void ChartControl_CustomPaint(object sender, CustomPaintEventArgs e)
{
return;
}
