# IPCB_SolderMaskLayer interface

*No description yet.*

```csharp
public interface IPCB_SolderMaskLayer : IPCB_DielectricLayer
```

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

**Inherits:** [IPCB_LayerObject](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md) → [IPCB_PhysicalLayer](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_PhysicalLayer.md) → [IPCB_DielectricLayer](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md)

## Properties

| Property | Type | Access | Description |
| --- | --- | --- | --- |
| [GetExpansion](#getexpansion) | `int` | get |  |
| [SetExpansion](#setexpansion) | `int` | set |  |

### GetExpansion

*No description yet.*

```csharp
int GetState_GetExpansion();
```

**Type:** `int` · **Access:** read-only

### SetExpansion

*No description yet.*

```csharp
void SetState_SetExpansion(int argValue);
```

**Type:** `int` · **Access:** write-only

## Inherited members

- From [IPCB_DielectricLayer](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md): [DielectricConstant](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md#dielectricconstant), [DielectricHeight](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md#dielectricheight), [DielectricLossTangent](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md#dielectriclosstangent), [DielectricMaterial](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md#dielectricmaterial), [DielectricType](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md#dielectrictype), [IsStiffener](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_DielectricLayer.md#isstiffener)
- From [IPCB_LayerObject](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md): [IsInLayerStack](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md#isinlayerstack), [LayerDisplayName](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md#layerdisplayname), [LayerName](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md#layername), [LayerStack](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md#layerstack), [UsedByPrims](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md#usedbyprims), [V6_LayerID](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md#v6_layerid), [V7_LayerID](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerObject.md#v7_layerid)

## Returned by

[IPCB_LayerStack.DielectricBottom](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerStack.md#dielectricbottom), [IPCB_LayerStack.DielectricTop](https://altiumdeveloper.github.io/ad-sdk-docs/reference/pcb/IPCB_LayerStack.md#dielectrictop)