> For the complete documentation index, see [llms.txt](https://www.pinvoke.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.pinvoke.dev/threading/thread_creation_flags.md).

# THREAD\_CREATION\_FLAGS

```csharp
[Flags]
public enum THREAD_CREATION_FLAGS : uint
{
    THREAD_CREATE_RUN_IMMEDIATELY = 0x00000000,
    THREAD_CREATE_SUSPENDED = 0x00000004,
    STACK_SIZE_PARAM_IS_A_RESERVATION = 0x00010000,
}
```