ChartArea.MouseWheel

event · ChartArea · cAlgo.API

DesktopCLICloud

Occurs when the mouse wheel button is rotated.

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

C#Python

event Action<ChartMouseWheelEventArgs> MouseWheel;

chartArea.MouseWheel += handler  # handler(obj: ChartMouseWheelEventArgs)

Examples

C#Python

protected override void OnStart()
{
    Chart.MouseWheel += OnChartMouseWheel;
}

private void OnChartMouseWheel(ChartMouseWheelEventArgs args)
{
    Print("Mouse wheel delta: {0}", args.Delta);
}

def on_start(self):
    api.Chart.MouseWheel += self.on_chart_mouse_wheel

def on_chart_mouse_wheel(self, args):
    api.Print(f"Mouse wheel delta: {args.Delta}")