AspSymbolChangedEventArgs.OldSymbol

property · AspSymbolChangedEventArgs · cAlgo.API

DesktopCLICloud

Old symbol of active symbol panel.

Environment behaviour

CLI — not supported. Available to plugins only, and plugins cannot run in the CLI.

Cloud — not supported. Available to plugins only, and plugins cannot run in the cloud.

Definition

C#Python

public Symbol OldSymbol {get;}

aspSymbolChangedEventArgs.OldSymbol: Symbol

Returns Symbol

Examples

C#Python

protected override void OnStart()
{
    Asp.SymbolTab.SymbolChanged += OnAspSymbolChanged;
}

private void OnAspSymbolChanged(AspSymbolChangedEventArgs args)
{
    if (args.OldSymbol != null)
        Print("Previous symbol: {0}, bid: {1}", args.OldSymbol.Name, args.OldSymbol.Bid);
}

def on_start(self):
    api.Asp.SymbolTab.SymbolChanged += self.on_asp_symbol_changed

def on_asp_symbol_changed(self, args):
    if args.OldSymbol is not None:
        api.Print(f"Previous symbol: {args.OldSymbol.Name}, bid: {args.OldSymbol.Bid}")