# TConnectionCode enumeration

*No description yet.*

```csharp
public enum TConnectionCode
```

**Namespace:** EDP · **Assembly:** Altium.SDK.Interfaces

## Values

| Name | Value | Description |
| --- | --- | --- |
| `eCC_PinInput` | 0 |  |
| `eCC_PinIO` | 1 |  |
| `eCC_PinOutput` | 2 |  |
| `eCC_PinOpenCollector` | 3 |  |
| `eCC_PinPassive` | 4 |  |
| `eCC_PinHiZ` | 5 |  |
| `eCC_PinOpenEmitter` | 6 |  |
| `eCC_PinPower` | 7 |  |
| `eCC_PortInput` | 8 |  |
| `eCC_PortOutput` | 9 |  |
| `eCC_PortBidirectional` | 10 |  |
| `eCC_PortUnspecified` | 11 |  |
| `eCC_SheetEntryInput` | 12 |  |
| `eCC_SheetEntryOutput` | 13 |  |
| `eCC_SheetEntryBidirectional` | 14 |  |
| `eCC_SheetEntryUnspecified` | 15 |  |
| `eCC_UnConnected` | 16 |  |

## Returned by

[IViolation.DM_ConnectionCode1](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IViolation.md#dm_connectioncode1), [IViolation.DM_ConnectionCode2](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IViolation.md#dm_connectioncode2)

## Accepted by

[IProjectProperties.DM_ErrorLevelsForConnections](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IProjectProperties.md#dm_errorlevelsforconnections), [IProjectProperties.DM_SetErrorLevelsForConnections](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IProjectProperties.md#dm_seterrorlevelsforconnections)