internal static extern IntPtr Wimp_CreateIconPrioritised( int priority, [In, MarshalAs(UnmanagedType.Struct)] ref NativeWimp.IconCreateBlock block, out int iconHandle);
internal static extern IntPtr Wimp_CreateIconRelative( int neighbour, [In, MarshalAs(UnmanagedType.Struct)] ref NativeWimp.IconCreateBlock block, out int iconHandle);