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ChartArea.DragStart

event · ChartArea · cAlgo.API

DesktopCLICloud

Occurs when MouseDown event is happening on a chart area and a mouse is captured for dragging.

Environment behaviour

CLI — not supported. Never raised: no chart is displayed, so there is nothing to interact with.

Cloud — not supported. Never raised: no chart is displayed, so there is nothing to interact with.

Definition

event Action<ChartDragEventArgs> DragStart;

chartArea.DragStart += handler  # handler(obj: ChartDragEventArgs)

Examples

protected override void OnStart()
{
    Chart.DragStart += OnChartDragStart;
}

private void OnChartDragStart(ChartDragEventArgs args)
{
    Print("Drag started at {0}, {1}", args.TimeValue, args.YValue);
}

def on_start(self):
    api.Chart.DragStart += self.on_chart_drag_start

def on_chart_drag_start(self, args):
    api.Print(f"Drag started at {args.TimeValue}, {args.YValue}")