public static void gtk_entry_set_placeholder_text(IntPtr entry, string text) { if (EtoEnvironment.Platform.IsLinux) { NMLinux.gtk_entry_set_placeholder_text(entry, text); } else if (EtoEnvironment.Platform.IsMac) { NMMac.gtk_entry_set_placeholder_text(entry, text); } else { NMWindows.gtk_entry_set_placeholder_text(entry, text); } }