---
id: fast-foundation.listboxoption.defaultselectedchanged
title: ListboxOption.defaultSelectedChanged() method
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [ListboxOption](./fast-foundation.listboxoption.md) &gt; [defaultSelectedChanged](./fast-foundation.listboxoption.defaultselectedchanged.md)

## ListboxOption.defaultSelectedChanged() method

<b>Signature:</b>

```typescript
protected defaultSelectedChanged(): void;
```
<b>Returns:</b>

void
