# CreateFileMapping

```csharp
[DllImport("Kernel32.dll")][return: MarshalAs(UnmanagedType.SafeHandle)]
public static extern SafeFileHandle CreateFileMapping(
   IntPtr hFile,
   IntPtr lpFileMappingAttributes,
   uint flProtect,
   uint dwMaximumSizeHigh,
   uint dwMaximumSizeLow,
   string lpName
);
```

Microsoft documentation: [Link](https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-createfilemappingw)