擅长:python、mysql、java
<p>从<a href="https://developer.gnome.org/gtk3/stable/GtkOffscreenWindow.html#GtkOffscreenWindow.description" rel="nofollow">GTK3 developer reference</a>开始</p>
<blockquote>
<p>GtkOffscreenWindow derives from GtkWindow only as an implementation detail. Applications should not use any API specific to GtkWindow to operate on this object.</p>
</blockquote>
<p><code>GTKOffscreenWindows</code>不能也不应该作为windows操作,因此Cairo不能在它们上使用。在</p>