# ListBox.SelectedObjectCollection

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (4.0.0.0)

Represents the collection of selected items in the [ListBox](https://docs.wisej.com/api/wisej.web/lists-and-grids/listbox).

{% tabs %}
{% tab title="C#" %}

```csharp
public class SelectedObjectCollection : IList, ICollection, IEnumerable
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Class SelectedObjectCollection
    Inherits IList
    Implements ICollection, IEnumerable
```

{% endtab %}
{% endtabs %}

## Properties

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) Count

[Int32](https://docs.microsoft.com/dotnet/api/system.int32): Returns the number of selected items.

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) IsReadOnly

[Boolean](https://docs.microsoft.com/dotnet/api/system.boolean): Returns whether the collection is read-only.

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) Item(index)

[Object](https://docs.microsoft.com/dotnet/api/system.object): Returns the selected item.

## Methods

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) Add(value)

| Parameter | Type                                                          | Description |
| --------- | ------------------------------------------------------------- | ----------- |
| **value** | [Object](https://docs.microsoft.com/dotnet/api/system.object) |             |

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) Clear()

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) Contains(value)

| Parameter | Type                                                          | Description |
| --------- | ------------------------------------------------------------- | ----------- |
| **value** | [Object](https://docs.microsoft.com/dotnet/api/system.object) |             |

**Returns:** [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean).

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) CopyTo(destination, index)

| Parameter       | Type                                                        | Description |
| --------------- | ----------------------------------------------------------- | ----------- |
| **destination** | [Array](https://docs.microsoft.com/dotnet/api/system.array) |             |
| **index**       | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) |             |

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) GetEnumerator()

**Returns:** [IEnumerator](https://docs.microsoft.com/dotnet/api/system.collections.ienumerator).

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) IndexOf(value)

| Parameter | Type                                                          | Description |
| --------- | ------------------------------------------------------------- | ----------- |
| **value** | [Object](https://docs.microsoft.com/dotnet/api/system.object) |             |

**Returns:** [Int32](https://docs.microsoft.com/dotnet/api/system.int32).

### ![](https://1075938901-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2HvlWXJQMV7DxhGzw7Y1%2Fuploads%2Fgit-blob-2389c55cd19719a73a5ae98e1528c8dc8525cc35%2Finstance.png?alt=media) Remove(value)

| Parameter | Type                                                          | Description |
| --------- | ------------------------------------------------------------- | ----------- |
| **value** | [Object](https://docs.microsoft.com/dotnet/api/system.object) |             |