void MovableChartLabelPoint_MouseMove(object sender, MouseEventArgs e)
{
if (isMoving && startPt.X != 0 && startPt.Y != 0)
{
Offset = (Point)((e.GetPosition(null) - startPt));
ChartLabels lbls = this.Parent as ChartLabels;
lbls.ForceArrange();
}
}
public DecimatingArrangerSample()
{
InitializeComponent();
var arranger = new DecimatingLabelArranger();
lbls = new ChartLabels();
chart.View.Layers.Add(lbls);
NewData(2);
cbDecimation.Checked += (s, e) => lbls.LabelArranger = arranger;
cbDecimation.Unchecked += (s, e) => lbls.LabelArranger = null;
}
public PieArrangerSample()
{
InitializeComponent();
chart.ChartType = ChartType.Pie;
var arranger = new PieArranger();
lbls = new ChartLabels() { LabelArranger = arranger };
chart.View.Layers.Add(lbls);
NewData();
SizeChanged += (s, e) => lbls.EndUpdate();
}
public OptimalArrangerSample()
{
InitializeComponent();
var arranger = new OptimalLabelArranger();
lbls = new ChartLabels() { LabelArranger = arranger };
chart.View.Layers.Add(lbls);
chart.MouseLeftButtonDown += new MouseButtonEventHandler(chart_MouseLeftButtonDown);
NewData(5);
cbHideOutside.Checked += (s, e) => arranger.HideLabelsOutsideBorder = true;
cbHideOutside.Unchecked += (s, e) => arranger.HideLabelsOutsideBorder = false;
}
public SimpleArrangerSample()
{
InitializeComponent();
// first layer with automatic label positioning
var arranger = new SimpleArranger();
lbls = new ChartLabels() { LabelArranger = arranger };
chart.View.Layers.Add(lbls);
// second layer with user-movable labels
lbls2 = new ChartLabels();
chart.View.Layers.Add(lbls2);
lbls2.LayoutUpdated += new EventHandler(lbls2_LayoutUpdated);
NewData(5);
chart.Actions.Add(new ZoomAction());
chart.Actions.Add(new TranslateAction() { Modifiers = ModifierKeys.Shift });
chart.Actions.Add(new ScaleAction() { Modifiers = ModifierKeys.Control });
chart.MouseLeftButtonDown += new MouseButtonEventHandler(chart_MouseLeftButtonDown);
}
