> For the complete documentation index, see [llms.txt](https://docs.yarnspinner.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yarnspinner.dev/2.5/api/csharp/yarn.compiler.upgrader/yarn.compiler.upgrader.orderedset/yarn.compiler.upgrader.orderedset.copyto.md).

# CopyTo(T\[],int)

Method in [OrderedSet](/2.5/api/csharp/yarn.compiler.upgrader/yarn.compiler.upgrader.orderedset.md)

## Summary

```csharp
public void CopyTo(T[] array, int arrayIndex)
```

## Parameters

| Name             | Description |
| ---------------- | ----------- |
| `T[]` array      |             |
| `int` arrayIndex |             |