---
id: "E:cAlgo.API.PendingOrders.Cancelled"
kind: "event"
type: "T:cAlgo.API.PendingOrders"
url: "https://help.ctrader.com/ctrader-algo/references/Trading/Orders/PendingOrders/Cancelled/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# PendingOrders.Cancelled

Member of [PendingOrders](https://help.ctrader.com/ctrader-algo/references/Trading/Orders/PendingOrders/index.md).

## Cancelled

Occurs when pending order is cancelled

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
event Action<PendingOrderCancelledEventArgs> Cancelled;
```

Python:

```python
api.PendingOrders.Cancelled += handler  # handler(obj: PendingOrderCancelledEventArgs)
```

### Returns

`Action<PendingOrderCancelledEventArgs>` — 

### Examples

C#:

```csharp
protected override void OnStart()
{
    PendingOrders.Cancelled += OnPendingOrdersCancelled;
    var result = PlaceStopOrder(TradeType.Buy, SymbolName, 10000, Symbol.Ask + 10 * Symbol.PipSize);
    if (result.IsSuccessful)
        CancelPendingOrder(result.PendingOrder);
}

private void OnPendingOrdersCancelled(PendingOrderCancelledEventArgs args)
{
    Print("Pending order with id {0} was cancelled. Reason: {1}", args.PendingOrder.Id, args.Reason);
}
```

Python:

```python
def on_start(self):
    api.PendingOrders.Cancelled += self.on_pending_orders_cancelled
    result = api.PlaceStopOrder(TradeType.Buy, api.SymbolName, 10000, api.Symbol.Ask + 10 * api.Symbol.PipSize)
    if result.IsSuccessful:
        api.CancelPendingOrder(result.PendingOrder)

def on_pending_orders_cancelled(self, args):
    api.Print(f"Pending order with id {args.PendingOrder.Id} was cancelled. Reason: {args.Reason}")
```