private void InitAnnotation()
{
Bitmap legendBitmap = new Bitmap(100, 50);
using (ChartControl fakeChart = (ChartControl)chartControl1.Clone()) {
fakeChart.Legend.Visible = true;
fakeChart.BorderOptions.Visible = false;
fakeChart.Padding.All = 0;
fakeChart.Legend.Border.Visible = false;
fakeChart.Legend.Margins.All = 0;
fakeChart.Legend.Padding.All = 0;
fakeChart.Legend.BackColor = Color.Transparent;
fakeChart.Legend.AlignmentHorizontal = LegendAlignmentHorizontal.LeftOutside;
fakeChart.Legend.AlignmentVertical = LegendAlignmentVertical.TopOutside;
((XYDiagram)fakeChart.Diagram).DefaultPane.Visible = false;
fakeChart.DrawToBitmap(legendBitmap, new Rectangle(Point.Empty, legendBitmap.Size));
}
chartControl1.Annotations.Clear();
chartControl1.Annotations.AddImageAnnotation("Legend", legendBitmap);
chartControl1.Annotations[0].RuntimeMoving = true;
chartControl1.Annotations[0].Border.Thickness = 2;
chartControl1.Annotations[0].Border.Color = Color.Gray;
chartControl1.Annotations[0].ConnectorStyle = AnnotationConnectorStyle.None;
}
private void layoutView1_CustomUnboundColumnData(object sender, CustomColumnDataEventArgs e)
{
if (e.Column == colProducts)
{
if (e.IsGetData)
{
int personId = (int)dataSet.Tables["Persons"].Rows[e.ListSourceRowIndex]["ID"];
Bitmap img = null;
if (unboundData.ContainsKey(personId))
{
img = unboundData[personId];
}
else
{
DataView dataView = dataSet.Tables["Products"].DefaultView;
dataView.RowFilter = string.Format("ID = {0}", personId);
foreach (Series s in chart.Series)
{
s.DataSource = dataView;
}
chart.RefreshData();
LayoutView view = (LayoutView)sender;
LayoutViewInfo viewInfo = (LayoutViewInfo)view.GetViewInfo();
Size chartSize = Size.Empty;
foreach (LayoutViewField field in view.TemplateCard.Items)
{
if (field.FieldName == "colProducts")
{
chartSize = field.Size;
break;
}
}
chart.Size = chartSize;
img = new Bitmap(chartSize.Width, chartSize.Height);
chart.DrawToBitmap(img, new Rectangle(Point.Empty, chartSize));
unboundData.Add(personId, img);
}
e.Value = img;
}
}
}
Bitmap GetMarkerImage(ChartControl chart, Series series)
{
Bitmap bitmap = null;
Series currentSeries = null;
foreach (Series fakeSeries in chart.Series)
{
if (fakeSeries.Name == series.Name)
{
currentSeries = fakeSeries;
fakeSeries.ShowInLegend = true;
}
else
{
fakeSeries.ShowInLegend = false;
}
}
if (currentSeries != null)
{
XYDiagram2D diagram = chart.Diagram as XYDiagram2D;
if (diagram != null)
{
diagram.DefaultPane.Visible = false;
}
SeriesViewColorEachSupportBase colorEachView = currentSeries.View as SeriesViewColorEachSupportBase;
if (colorEachView != null && colorEachView.ColorEach)
{
chart.Size = new Size(chart.Legend.MarkerSize.Width, chart.Legend.MarkerSize.Height * currentSeries.Points.Count);
}
else
{
chart.Size = chart.Legend.MarkerSize;
}
bitmap = new Bitmap(chart.Size.Width, chart.Size.Height);
chart.DrawToBitmap(bitmap, new Rectangle(Point.Empty, bitmap.Size));
}
return(bitmap);
}