-GtkWin32ThemePart *_gtk_win32_theme_part_new (const char *class,
- int xp_part, int state);
-GtkWin32ThemePart *_gtk_win32_theme_part_ref (GtkWin32ThemePart *part);
-void _gtk_win32_theme_part_unref (GtkWin32ThemePart *part);
-int _gtk_win32_theme_part_parse (GtkCssParser *parser,
- GFile *base,
- GValue *value);
-cairo_pattern_t *_gtk_win32_theme_part_render (GtkWin32ThemePart *part,
- int width,
- int height);