public virtual void Render(VisualContext context)
{
Children.Clear();
var reDrawContext = false;
var xAxis = this.DataSeries.XAxis;
var yAxis = this.DataSeries.YAxis;
var sources = context != null ? context.Sources : null;
if (this.DataSeries != null && this.DataSeries.IsVisible && xAxis != null && yAxis != null /*&& sources != null*/)
{
using (DrawingContext dc = RenderOpen())
{
reDrawContext = true;
if (this.DataSeries.IsVisible)
{
Render(dc, this.DataSeries, this.DataSeries.XAxis, this.DataSeries.YAxis, this.DataSeries.PlotFlowAxisOption, sources);
}
}
}
if (reDrawContext == false)
{
using (DrawingContext dc = RenderOpen())
{
}
}
}
private VisualContext GetVisualContext()
{
if (visualContext == null)
{
visualContext = new VisualContext();
}
visualContext.Sources = this.DataSeries;
return(visualContext);
}
private void RenderVisuals(VisualContext context)
{
foreach (Visual visual in visuals)
{
DataSeriesVisual sourceVisual = visual as DataSeriesVisual;
System.Diagnostics.Debug.Assert(sourceVisual != null, "sourceVisual != null");
sourceVisual.Render(context);
}
}
private void UpdateDataSeries(DependencyObject host, VisualContext visualContext)
{
if (host != null)
{
ISeriesRender sourceView = host as ISeriesRender;
if (sourceView != null)
{
sourceView.Render(visualContext);
}
if (host != null)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(host); ++i)
{
DependencyObject item = VisualTreeHelper.GetChild(host, i);
UpdateDataSeries(item, visualContext);
}
}
}
}
public virtual void Render(VisualContext context)
{
Children.Clear();
if (context == null)
{
return;
}
var xAxis = this.DataSeries.XAxis;
var yAxis = this.DataSeries.YAxis;
var sources = context.Sources;
if (this.DataSeries != null && xAxis != null && yAxis != null && sources != null)
{
using (DrawingContext dc = RenderOpen())
{
if (this.DataSeries.IsVisible)
{
Render(dc, this.DataSeries, this.DataSeries.XAxis, this.DataSeries.YAxis, context.Sources);
}
}
}
}
public void Render(VisualContext context)
{
RenderVisuals(context);
InvalidateVisual();
InvalidateMeasure();
}