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<!-- ##### SECTION Title ##### -->
GtkScrollbar
<!-- ##### SECTION Short_Description ##### -->
Base class for GtkHScrollbar and GtkVScrollbar
<!-- ##### SECTION Long_Description ##### -->
<para>
The #GtkScrollbar widget is an abstract base class for #GtkHScrollbar and
#GtkVScrollbar. It is not very useful in itself.
</para>
<para>
The position of the thumb in a scrollbar is controlled by the scroll
adjustments. See #GtkAdjustment for the fields in an adjustment - for
#GtkScrollbar, the "value" field represents the position of the
scrollbar, which must be between the "lower" field and "upper -
page_size." The "page_size" field represents the size of the visible
scrollable area. The "step_increment" and "page_increment" fields are
used when the user asks to step down (using the small stepper arrows)
or page down (using for example the PageDown key).
</para>
<!-- ##### SECTION See_Also ##### -->
<para>
<variablelist>
<varlistentry>
<term>#GtkHScrollbar</term>
<listitem><para>a horizontal scrollbar.</para></listitem>
</varlistentry>
<varlistentry>
<term>#GtkVScrollbar</term>
<listitem><para>a vertical scrollbar.</para></listitem>
</varlistentry>
<varlistentry>
<term>#GtkAdjustment</term>
<listitem><para>connects scrollbars to the widget being scrolled.</para></listitem>
</varlistentry>
<varlistentry>
<term>#GtkScrolledWindow</term>
<listitem><para>convenient widget for setting up scrolling.</para></listitem>
</varlistentry>
</variablelist>
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GtkScrollbar ##### -->
<para>
The #GtkScrollbar struct does not contain any public data.
</para>
<!-- ##### ARG GtkScrollbar:fixed-slider-length ##### -->
<para>
</para>
<!-- ##### ARG GtkScrollbar:has-backward-stepper ##### -->
<para>
</para>
<!-- ##### ARG GtkScrollbar:has-forward-stepper ##### -->
<para>
</para>
<!-- ##### ARG GtkScrollbar:has-secondary-backward-stepper ##### -->
<para>
</para>
<!-- ##### ARG GtkScrollbar:has-secondary-forward-stepper ##### -->
<para>
</para>
<!-- ##### ARG GtkScrollbar:min-slider-length ##### -->
<para>
</para>
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