## OneDExtendedParameters class

**Namespace:** `Aspose.Barcode.Recognition`


Stores special data of 1D recognized barcode like separate codetext and checksum This sample shows how to get 1D barcode value and checksum


## Constructors

| Name | Description |
| --- | --- |
| [__construct](#constructor) |  |

## Methods

| Name | Static | Description |
| --- | --- | --- |
| [isEmpty](#isempty) | No | Tests whether all parameters has only default values |

## Properties

| Name | Read/Write | Description |
| --- | --- | --- |
| [CheckSum](#checksum) | Read-only | Gets the checksum for 1D barcodes. Value: The checksum for 1D barcode. |
| [Value](#value) | Read-only | Gets the codetext of 1D barcodes without checksum. Value: The codetext of 1D barcodes without checksum. |

### OneDExtendedParameters__construct(OneDExtendedParametersDTO $oneDExtendedParametersDTO) {#constructor}

| Parameter | Type | Description |
| --- | --- | --- |
| `$oneDExtendedParametersDTO` | `OneDExtendedParametersDTO` |  |

### isEmptyisEmpty() {#isempty}

Tests whether all parameters has only default values

**Returns:** bool Returns { true} if all parameters has only default values; otherwise, { false}.

### CheckSum {#checksum}

**Access:** Read-only

Gets the checksum for 1D barcodes. Value: The checksum for 1D barcode.

### Value {#value}

**Access:** Read-only

Gets the codetext of 1D barcodes without checksum. Value: The codetext of 1D barcodes without checksum.