## Union(RectangleF) {#union_2}

Updates this Region to the union of itself and the specified RectangleF structure.

```csharp
public void Union(RectangleF rect)
```

| Parameter | Type | Description |
| --- | --- | --- |
| rect | RectangleF | The RectangleF structure to unite with this Region. |

## Remarks

Union leaves infinite region as infinite.

### See Also

* struct [RectangleF](../../rectanglef/)
* class [Region](../)
* namespace [System.Drawing](../../region/)
* assembly [Aspose.Drawing](../../../)

---

## Union(Rectangle) {#union_1}

Updates this Region to the union of itself and the specified Rectangle structure.

```csharp
public void Union(Rectangle rect)
```

| Parameter | Type | Description |
| --- | --- | --- |
| rect | Rectangle | The Rectangle structure to unite with this Region. |

## Remarks

Union leaves infinite region as infinite.

### See Also

* struct [Rectangle](../../rectangle/)
* class [Region](../)
* namespace [System.Drawing](../../region/)
* assembly [Aspose.Drawing](../../../)

---

## Union(GraphicsPath) {#union}

Updates this Region to the union of itself and the specified GraphicsPath.

```csharp
public void Union(GraphicsPath path)
```

| Parameter | Type | Description |
| --- | --- | --- |
| path | GraphicsPath | The GraphicsPath to unite with this Region. |

## Remarks

Union leaves infinite region as infinite.

### See Also

* class [GraphicsPath](../../../system.drawing.drawing2d/graphicspath/)
* class [Region](../)
* namespace [System.Drawing](../../region/)
* assembly [Aspose.Drawing](../../../)

---

## Union(Region) {#union_3}

Updates this Region to the union of itself and the specified Region.

```csharp
public void Union(Region region)
```

| Parameter | Type | Description |
| --- | --- | --- |
| region | Region | The Region to unite with this Region. |

## Remarks

Union leaves infinite region as infinite.

### See Also

* class [Region](../)
* namespace [System.Drawing](../../region/)
* assembly [Aspose.Drawing](../../../)