private static extern IntPtr GetAncestor(IntPtr hwnd, GetAncestor_Flags gaFlags);
public static extern IntPtr GetAncestor(IntPtr hwnd, GetAncestor_Flags gaFlags);
private static extern IntPtr GetAncestor(IntPtr hwnd, GetAncestor_Flags gaFlags);
public static extern IntPtr GetAncestor(IntPtr hwnd, GetAncestor_Flags gaFlags);