> 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/kernel32/virtualfreeex.md).

# VirtualFreeEx

```csharp
[DllImport("KERNEL32.dll", ExactSpelling = true, SetLastError = true)]
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
public static extern unsafe BOOL VirtualFreeEx(
    HANDLE hProcess,
    void* lpAddress,
    nuint dwSize,
    VIRTUAL_FREE_TYPE dwFreeType);
```

[VIRTUAL\_FREE\_TYPE](/memory/virtual_free_type.md)