## CheckBoxCollection class

Represents a collection of CheckBox objects in a worksheet.

## Properties

| Name | Type | Description |
| --- | --- | --- |
| [Count](#count) | Number |  |
| [Item (int)](#itemint) | CheckBox | Gets the CheckBox element at the specified index. |

## Methods

| Name | Description |
| --- | --- |
| [add](#add) | Adds a checkBox to the collection. |
| [clear](#clear) |  |
| [removeAt](#removeat) |  |
| [iterator](#iterator) |  |
| [get](#get) | Reserved for internal use. |
| [contains](#contains) | Reserved for internal use. |
| [indexOf](#indexof) | Reserved for internal use. |

### CheckBoxCollection.Count property {#count}

**Type:** Number

### CheckBoxCollection.Item (int) property {#itemint}

Gets the CheckBox element at the specified index.

**Type:** CheckBox

### add(topRow, leftColumn, height, width) (1 of 2) {#add}

Adds a checkBox to the collection.

| Parameter | Type | Description |
| --- | --- | --- |
| upperLeftRow |  | Upper left row index. |
| upperLeftColumn |  | Upper left column index. |
| height | Number | Height of checkBox, in unit of pixel. |
| width | Number | Width of checkBox, in unit of pixel. |

**Returns:** CheckBox object index.

---

### add(value) (2 of 2) {#add-1}

Reserved for internal use.

### clear() {#clear}

### removeAt(index) {#removeat}

### iterator() {#iterator}

### get(index) {#get}

Reserved for internal use.

### contains(value) {#contains}

Reserved for internal use.

### indexOf(value) {#indexof}

Reserved for internal use.