<remarks>Create a new <seecref="T:Gtk.CustomWidgetApplyArgs"/> instance with this constructor if you need to invoke a <seecref="T:Gtk.CustomWidgetApplyHandler"/> delegate.</remarks>
<summary>The custom widget supplied to a <seecref="M:Gtk.PrintOperation.CreateCustomWidget"/> event.</summary>
<value>a <seecref="T:Gtk.Widget"/>.</value>
<remarks>Data should be read from the widget in response to this event, since it is not guaranteed to persist beyond this time.</remarks>
</Docs>
</Member>
</Members>
<Docs>
<summary>Event data.</summary>
<remarks>
<para>The <seecref="M:Gtk.PrintOperation.CustomWidgetApply"/> event invokes <seecref="T:Gtk.CustomWidgetApplyHandler"/> delegates which pass event data via this class.</para>