# SimConnect_UnsubscribeToCommBusEvent<no value>
The **SimConnect\_UnsubscribeToCommBusEvent** function is used to unsubscribe the client from a communication (CommBus) event.

 

**C++** **C\#**

##### Syntax

``` cpp
HRESULT SimConnect_UnsubscribeToCommBusEvent(
    HANDLE hSimConnect,
    SIMCONNECT_CLIENT_EVENT_ID EventID
    );
```

 

##### Parameters

{{< table-wrapper >}}

| Parameter     | Description                           | Type    |
|---------------|---------------------------------------|---------|
| *hSimConnect* | Handle to a SimConnect object.        | Integer |
| *EventID*     | Specifies the ID of the client event. | Integer |

{{< /table-wrapper >}}


 

##### Return Values

The function returns an **HRESULT**. Possible values include, but are not limited to, those in the following table.

{{< table-wrapper >}}

| Return value | Description             |
|--------------|-------------------------|
| S\_OK        | The function succeeded. |
| E\_FAIL      | The function failed.    |

{{< /table-wrapper >}}


  

##### Syntax

``` cs
void SimConnect::UnsubscribeToCommBusEvent(
    Enum EventID
    );
```

 

##### Parameters

{{< table-wrapper >}}

| Parameter | Description                                                    | Type |
|-----------|----------------------------------------------------------------|------|
| *EventID* | The ID with which the event has been registered on the client. | Enum |

{{< /table-wrapper >}}


 

##### Return Values

N/A (use a try/catch to test for errors).

 

 

##### Remarks

N/A